{"id":104567,"date":"2026-06-15T17:55:31","date_gmt":"2026-06-15T09:55:31","guid":{"rendered":"https:\/\/www.dongwubaike.cn\/fanhao\/?p=104567"},"modified":"2026-06-15T17:55:31","modified_gmt":"2026-06-15T09:55:31","slug":"%e5%88%9d%e4%b8%80%e6%95%b0%e5%ad%a6%e6%9c%9f%e6%9c%ab%e5%a4%8d%e4%b9%a0%e8%af%95%e5%8d%b7%e5%90%ab%e7%ad%94%e6%a1%88","status":"publish","type":"post","link":"https:\/\/www.dongwubaike.cn\/fanhao\/104567.html","title":{"rendered":"\u521d\u4e00\u6570\u5b66\u671f\u672b\u590d\u4e60\u8bd5\u5377\u542b\u7b54\u6848"},"content":{"rendered":"

\u671f\u672b\u8003\u8bd5\u8003\u67e5\u9762\u6db5\u76d6\u5f88\u5e7f\u3002\u5b66\u4e86\u4e00\u5b66\u671f\uff0c\u7a76\u7adf\u5b66\u5f97\u600e\u4e48\u6837?\u6211\u4eec\u81ea\u5df1\u60f3\u77e5\u9053\uff0c\u8001\u5e08\u3001\u5bb6\u957f\u4e5f\u60f3\u77e5\u9053\u3002\u800c\u8fd9\u4e2a\u6548\u679c\u53ef\u4ee5\u901a\u8fc7\u8003\u8bd5\u6765\u68c0\u9a8c\u3002\u4e0b\u9762\u662f\u5c0f\u7f16\u4e3a\u5927\u5bb6\u6574\u7406\u7684\u5173\u4e8e\u521d\u4e00\u6570\u5b66\u671f\u672b\u590d\u4e60<\/a>\u8bd5\u5377\u542b\u7b54\u6848\uff0c\u5e0c\u671b\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9!<\/p>\n

\u4e03\u5e74\u7ea7\u6570\u5b66\u671f\u672b\u8bd5\u5377\u53ca\u7b54\u6848<\/strong><\/p>\n

\u4e00\u3001\u9009\u62e9\u9898(\u6bcf\u5c0f\u98984\u5206\uff0c\u517140\u5206)<\/p>\n

1.\ufe634\u7684\u7edd\u5bf9\u503c\u662f()<\/p>\n

A.B.C.4D.\ufe634<\/p>\n

\u8003\u70b9\uff1a\u7edd\u5bf9\u503c.<\/p>\n

\u5206\u6790\uff1a\u6839\u636e\u4e00\u4e2a\u8d1f\u6570\u7684\u7edd\u5bf9\u503c\u662f\u5b83\u7684\u76f8\u53cd\u6570\u5373\u53ef\u6c42\u89e3.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a\ufe634\u7684\u7edd\u5bf9\u503c\u662f4.<\/p>\n

\u6545\u9009C.<\/p>\n

\u70b9\u8bc4\uff1a\u6b64\u9898\u8003\u67e5\u4e86\u7edd\u5bf9\u503c\u7684\u6027\u8d28\uff0c\u8981\u6c42\u638c\u63e1\u7edd\u5bf9\u503c\u7684\u6027\u8d28\u53ca\u5176\u5b9a\u4e49\uff0c\u5e76\u80fd\u719f\u7ec3\u8fd0\u7528\u5230\u5b9e\u9645\u8fd0\u7b97\u5f53\u4e2d.<\/p>\n

\u7edd\u5bf9\u503c\u89c4\u5f8b\u603b\u7ed3\uff1a\u4e00\u4e2a\u6b63\u6570\u7684\u7edd\u5bf9\u503c\u662f\u5b83\u672c\u8eab;\u4e00\u4e2a\u8d1f\u6570\u7684\u7edd\u5bf9\u503c\u662f\u5b83\u7684\u76f8\u53cd\u6570;0\u7684\u7edd\u5bf9\u503c\u662f0.<\/p>\n

2.\u4e0b\u5217\u5404\u6570\u4e2d\uff0c\u6570\u503c\u76f8\u7b49\u7684\u662f()<\/p>\n

A.32\u4e0e23B.\ufe6323\u4e0e(\ufe632)3C.3\u00d722\u4e0e(3\u00d72)2D.\ufe6332\u4e0e(\ufe633)2<\/p>\n

\u8003\u70b9\uff1a\u6709\u7406\u6570\u7684\u4e58\u65b9.<\/p>\n

\u5206\u6790\uff1a\u6839\u636e\u4e58\u65b9\u7684\u610f\u4e49\uff0c\u53ef\u5f97\u7b54\u6848.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1aA32=9\uff0c23=8\uff0c\u6545A\u7684\u6570\u503c\u4e0d\u76f8\u7b49;<\/p>\n

B\ufe6323=\ufe638\uff0c(\ufe632)3=\ufe638\uff0c\u6545B\u7684\u6570\u503c\u76f8\u7b49;<\/p>\n

C3\u00d722=12\uff0c(3\u00d72)2=36\uff0c\u6545C\u7684\u6570\u503c\u4e0d\u76f8\u7b49;<\/p>\n

D\ufe6332=\ufe639\uff0c(\ufe633)2=9\uff0c\u6545D\u7684\u6570\u503c\u4e0d\u76f8\u7b49;<\/p>\n

\u6545\u9009\uff1aB.<\/p>\n

\u70b9\u8bc4\uff1a\u672c\u9898\u8003\u67e5\u4e86\u6709\u7406\u6570\u7684\u4e58\u65b9\uff0c\u6ce8\u610f\u8d1f\u6570\u7684\u5076\u6b21\u5e42\u662f\u6b63\u6570\uff0c\u8d1f\u6570\u7684\u5947\u6b21\u5e42\u662f\u8d1f\u6570.<\/p>\n

3.0.3998\u56db\u820d\u4e94\u5165\u5230\u767e\u5206\u4f4d\uff0c\u7ea6\u7b49\u4e8e()<\/p>\n

A.0.39B.0.40C.0.4D.0.400<\/p>\n

\u8003\u70b9\uff1a\u8fd1\u4f3c\u6570\u548c\u6709\u6548\u6570\u5b57.<\/p>\n

\u5206\u6790\uff1a\u628a0.3998\u56db\u820d\u4e94\u5165\u5230\u767e\u5206\u4f4d\u5c31\u662f\u5bf9\u8fd9\u4e2a\u6570\u767e\u5206\u4f4d\u4ee5\u540e\u7684\u6570\u8fdb\u884c\u56db\u820d\u4e94\u5165.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a0.3998\u56db\u820d\u4e94\u5165\u5230\u767e\u5206\u4f4d\uff0c\u7ea6\u7b49\u4e8e0.40.<\/p>\n

\u6545\u9009B.<\/p>\n

\u70b9\u8bc4\uff1a\u672c\u9898\u8003\u67e5\u4e86\u56db\u820d\u4e94\u5165\u7684\u65b9\u6cd5\uff0c\u662f\u9700\u8981\u8bc6\u8bb0\u7684\u5185\u5bb9.<\/p>\n

4.\u5982\u679c\u662f\u4e09\u6b21\u4e8c\u9879\u5f0f\uff0c\u5219a\u7684\u503c\u4e3a()<\/p>\n

A.2B.\ufe633C.\u00b12D.\u00b13<\/p>\n

\u8003\u70b9\uff1a\u591a\u9879\u5f0f.<\/p>\n

\u4e13\u9898\uff1a\u8ba1\u7b97\u9898.<\/p>\n

\u5206\u6790\uff1a\u660e\u767d\u4e09\u6b21\u4e8c\u9879\u5f0f\u662f\u591a\u9879\u5f0f\u91cc\u9762\u6b21\u6570\u7684\u98793\u6b21\uff0c\u6709\u4e24\u4e2a\u5355\u9879\u5f0f\u7684\u548c.\u6240\u4ee5\u53ef\u5f97\u7ed3\u679c.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a\u56e0\u4e3a\u6b21\u6570\u8981\u67093\u6b21\u5f97\u5355\u9879\u5f0f\uff0c<\/p>\n

\u6240\u4ee5|a|=2<\/p>\n

a=\u00b12.<\/p>\n

\u56e0\u4e3a\u662f\u4e24\u9879\u5f0f\uff0c\u6240\u4ee5a\ufe632=0<\/p>\n

a=2<\/p>\n

\u6240\u4ee5a=\ufe632(\u820d\u53bb).<\/p>\n

\u6545\u9009A.<\/p>\n

\u70b9\u8bc4\uff1a\u672c\u9898\u8003\u67e5\u5bf9\u4e09\u6b21\u4e8c\u9879\u5f0f\u6982\u5ff5\u7684\u7406\u89e3\uff0c\u5173\u952e\u77e5\u9053\u591a\u9879\u5f0f\u7684\u6b21\u6570\u662f3\uff0c\u542b\u6709\u4e24\u9879.<\/p>\n

5.\u5316\u7b80p\ufe63[q\ufe632p\ufe63(p\ufe63q)]\u7684\u7ed3\u679c\u4e3a()<\/p>\n

A.2pB.4p\ufe632qC.\ufe632pD.2p\ufe632q<\/p>\n

\u8003\u70b9\uff1a\u6574\u5f0f\u7684\u52a0\u51cf.<\/p>\n

\u4e13\u9898\uff1a\u8ba1\u7b97\u9898.<\/p>\n

\u5206\u6790\uff1a\u6839\u636e\u6574\u5f0f\u7684\u52a0\u51cf\u6df7\u5408\u8fd0\u7b97\u6cd5\u5219\uff0c\u5229\u7528\u53bb\u62ec\u53f7\u6cd5\u5219\u6709\u62ec\u53f7\u5148\u53bb\u5c0f\u62ec\u53f7\uff0c\u518d\u53bb\u4e2d\u62ec\u53f7\uff0c\u6700\u540e\u5408\u5e76\u540c\u7c7b\u9879\u5373\u53ef\u6c42\u51fa\u7b54\u6848.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a\u539f\u5f0f=p\ufe63[q\ufe632p\ufe63p+q]\uff0c<\/p>\n

=p\ufe63q+2p+p\ufe63q\uff0c<\/p>\n

=\ufe632q+4p\uff0c<\/p>\n

=4p\ufe632q.<\/p>\n

\u6545\u9009B.<\/p>\n

\u70b9\u8bc4\uff1a\u672c\u9898\u4e3b\u8981\u8003\u67e5\u4e86\u6574\u5f0f\u7684\u52a0\u51cf\u8fd0\u7b97\uff0c\u89e3\u6b64\u9898\u7684\u5173\u952e\u662f\u6839\u636e\u53bb\u62ec\u53f7\u6cd5\u5219\u6b63\u786e\u53bb\u62ec\u53f7(\u62ec\u53f7\u524d\u662f\ufe63\u53f7\uff0c\u53bb\u62ec\u53f7\u65f6\uff0c\u5404\u9879\u90fd\u53d8\u53f7).<\/p>\n

6.\u82e5x=2\u662f\u5173\u4e8ex\u7684\u65b9\u7a0b2x+3m\ufe631=0\u7684\u89e3\uff0c\u5219m\u7684\u503c\u4e3a()<\/p>\n

A.\ufe631B.0C.1D.<\/p>\n

\u8003\u70b9\uff1a\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\u7684\u89e3.<\/p>\n

\u4e13\u9898\uff1a\u8ba1\u7b97\u9898.<\/p>\n

\u5206\u6790\uff1a\u6839\u636e\u65b9\u7a0b\u7684\u89e3\u7684\u5b9a\u4e49\uff0c\u628ax=2\u4ee3\u5165\u65b9\u7a0b2x+3m\ufe631=0\u5373\u53ef\u6c42\u51fam\u7684\u503c.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a\u2235x=2\u662f\u5173\u4e8ex\u7684\u65b9\u7a0b2x+3m\ufe631=0\u7684\u89e3\uff0c<\/p>\n

\u22342\u00d72+3m\ufe631=0\uff0c<\/p>\n

\u89e3\u5f97\uff1am=\ufe631.<\/p>\n

\u6545\u9009\uff1aA.<\/p>\n

\u70b9\u8bc4\uff1a\u672c\u9898\u7684\u5173\u952e\u662f\u7406\u89e3\u65b9\u7a0b\u7684\u89e3\u7684\u5b9a\u4e49\uff0c\u65b9\u7a0b\u7684\u89e3\u5c31\u662f\u80fd\u591f\u4f7f\u65b9\u7a0b\u5de6\u53f3\u4e24\u8fb9\u76f8\u7b49\u7684\u672a\u77e5\u6570\u7684\u503c.<\/p>\n

7.\u67d0\u6821\u6625\u5b63\u8fd0\u52a8\u4f1a\u6bd4\u8d5b\u4e2d\uff0c\u516b\u5e74\u7ea7(1)\u73ed\u3001(5)\u73ed\u7684\u7ade\u6280\u5b9e\u529b\u76f8\u5f53\uff0c\u5173\u4e8e\u6bd4\u8d5b\u7ed3\u679c\uff0c\u7532\u540c\u5b66\u8bf4\uff1a(1)\u73ed\u4e0e(5)\u73ed\u5f97\u5206\u6bd4\u4e3a6\uff1a5;\u4e59\u540c\u5b66\u8bf4\uff1a(1)\u73ed\u5f97\u5206\u6bd4(5)\u73ed\u5f97\u5206\u76842\u500d\u5c1140\u5206.\u82e5\u8bbe(1)\u73ed\u5f97x\u5206\uff0c(5)\u73ed\u5f97y\u5206\uff0c\u6839\u636e\u9898\u610f\u6240\u5217\u7684\u65b9\u7a0b\u7ec4\u5e94\u4e3a()<\/p>\n

A.B.<\/p>\n

C.D.<\/p>\n

\u8003\u70b9\uff1a\u7531\u5b9e\u9645\u95ee\u9898\u62bd\u8c61\u51fa\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4.<\/p>\n

\u5206\u6790\uff1a\u6b64\u9898\u7684\u7b49\u91cf\u5173\u7cfb\u6709\uff1a(1)\u73ed\u5f97\u5206\uff1a(5)\u73ed\u5f97\u5206=6\uff1a5;(1)\u73ed\u5f97\u5206=(5)\u73ed\u5f97\u5206\u00d72\ufe6340.<\/p>\n

\u89e3\u7b54\uff1a\u6839\u636e(1)\u73ed\u4e0e(5)\u73ed\u5f97\u5206\u6bd4\u4e3a6\uff1a5\uff0c\u6709\uff1a<\/p>\n

x\uff1ay=6\uff1a5\uff0c\u5f975x=6y;<\/p>\n

\u6839\u636e(1)\u73ed\u5f97\u5206\u6bd4(5)\u73ed\u5f97\u5206\u76842\u500d\u5c1140\u5206\uff0c\u5f97x=2y\ufe6340.<\/p>\n

\u53ef\u5217\u65b9\u7a0b\u7ec4\u4e3a.<\/p>\n

\u6545\u9009\uff1aD.<\/p>\n

\u70b9\u8bc4\uff1a\u5217\u65b9\u7a0b\u7ec4\u7684\u5173\u952e\u662f\u627e\u51c6\u7b49\u91cf\u5173\u7cfb.\u540c\u65f6\u80fd\u591f\u6839\u636e\u6bd4\u4f8b\u7684\u57fa\u672c\u6027\u8d28\u5bf9\u7b49\u91cf\u5173\u7cfb\u2460\u628a\u6bd4\u4f8b\u5f0f\u8f6c\u5316\u4e3a\u7b49\u79ef\u5f0f.<\/p>\n

8.\u4e0b\u9762\u7684\u5e73\u9762\u56fe\u5f62\u4e2d\uff0c\u662f\u6b63\u65b9\u4f53\u7684\u5e73\u9762\u5c55\u5f00\u56fe\u7684\u662f()<\/p>\n

A.B.C.D.<\/p>\n

\u8003\u70b9\uff1a\u51e0\u4f55\u4f53\u7684\u5c55\u5f00\u56fe.<\/p>\n

\u5206\u6790\uff1a\u7531\u5e73\u9762\u56fe\u5f62\u7684\u6298\u53e0\u53ca\u6b63\u65b9\u4f53\u7684\u5c55\u5f00\u56fe\u89e3\u9898.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a\u9009\u9879A\u3001B\u3001D\u4e2d\u6298\u53e0\u540e\u6709\u4e00\u884c\u4e24\u4e2a\u9762\u65e0\u6cd5\u6298\u8d77\u6765\uff0c\u800c\u4e14\u7f3a\u5c11\u4e00\u4e2a\u5e95\u9762\uff0c\u4e0d\u80fd\u6298\u6210\u6b63\u65b9\u4f53.<\/p>\n

\u6545\u9009C.<\/p>\n

\u70b9\u8bc4\uff1a\u719f\u7ec3\u638c\u63e1\u6b63\u65b9\u4f53\u7684\u8868\u9762\u5c55\u5f00\u56fe\u662f\u89e3\u9898\u7684\u5173\u952e.<\/p>\n

9.\u5982\u56fe\uff0c\u5df2\u77e5\u2220AOB=\u2220COD=90\u00b0\uff0c\u53c8\u2220AOD=170\u00b0\uff0c\u5219\u2220BOC\u7684\u5ea6\u6570\u4e3a()<\/p>\n

A.40\u00b0B.30\u00b0C.20\u00b0D.10\u00b0<\/p>\n

\u8003\u70b9\uff1a\u89d2\u7684\u8ba1\u7b97.<\/p>\n

\u4e13\u9898\uff1a\u8ba1\u7b97\u9898.<\/p>\n

\u5206\u6790\uff1a\u5148\u8bbe\u2220BOC=x\uff0c\u7531\u4e8e\u2220AOB=\u2220COD=90\u00b0\uff0c\u5373\u2220AOC+x=\u2220BOD+x=90\u00b0\uff0c\u4ece\u800c\u6613\u6c42\u2220AOB+\u2220COD\ufe63\u2220AOD\uff0c\u5373\u53ef\u5f97x=10\u00b0.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a\u8bbe\u2220BOC=x\uff0c<\/p>\n

\u2235\u2220AOB=\u2220COD=90\u00b0\uff0c<\/p>\n

\u2234\u2220AOC+x=\u2220BOD+x=90\u00b0\uff0c<\/p>\n

\u2234\u2220AOB+\u2220COD\ufe63\u2220AOD=\u2220AOC+x+\u2220BOD+x\ufe63(\u2220AOC+\u2220BOD+x)=10\u00b0\uff0c<\/p>\n

\u5373x=10\u00b0.<\/p>\n

\u6545\u9009D.<\/p>\n

\u70b9\u8bc4\uff1a\u672c\u9898\u8003\u67e5\u4e86\u89d2\u7684\u8ba1\u7b97\u3001\u5782\u76f4\u5b9a\u4e49.\u5173\u952e\u662f\u628a\u2220AOD\u548c\u2220AOB+\u2220COD\u8868\u793a\u6210\u51e0\u4e2a\u89d2\u548c\u7684\u5f62\u5f0f.<\/p>\n

10.\u5c0f\u660e\u628a\u81ea\u5df1\u4e00\u5468\u7684\u652f\u51fa\u60c5\u51b5\u7528\u5982\u56fe\u6240\u793a\u7684\u7edf\u8ba1\u56fe\u6765\u8868\u793a\uff0c\u5219\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa()<\/p>\n

A.\u4e00\u5468\u652f\u51fa\u7684\u603b\u91d1\u989d<\/p>\n

B.\u4e00\u5468\u5185\u5404\u9879\u652f\u51fa\u91d1\u989d\u5360\u603b\u652f\u51fa\u7684\u767e\u5206\u6bd4<\/p>\n

C.\u4e00\u5468\u5404\u9879\u652f\u51fa\u7684\u91d1\u989d<\/p>\n

D.\u5404\u9879\u652f\u51fa\u91d1\u989d\u5728\u4e00\u5468\u4e2d\u7684\u53d8\u5316\u60c5\u51b5<\/p>\n

\u8003\u70b9\uff1a\u6247\u5f62\u7edf\u8ba1\u56fe.<\/p>\n

\u5206\u6790\uff1a\u6839\u636e\u6247\u5f62\u7edf\u8ba1\u56fe\u7684\u7279\u70b9\u8fdb\u884c\u89e3\u7b54\u5373\u53ef.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a\u2235\u6247\u5f62\u7edf\u8ba1\u56fe\u662f\u7528\u6574\u4e2a\u5706\u8868\u793a\u603b\u6570\u7528\u5706\u5185\u5404\u4e2a\u6247\u5f62\u7684\u5927\u5c0f\u8868\u793a\u5404\u90e8\u5206\u6570\u91cf\u5360\u603b\u6570\u7684\u767e\u5206\u6570.\u901a\u8fc7\u6247\u5f62\u7edf\u8ba1\u56fe\u53ef\u4ee5\u5f88\u6e05\u695a\u5730\u8868\u793a\u51fa\u5404\u90e8\u5206\u6570\u91cf\u540c\u603b\u6570\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c<\/p>\n

\u2234\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\u4e00\u5468\u5185\u5404\u9879\u652f\u51fa\u91d1\u989d\u5360\u603b\u652f\u51fa\u7684\u767e\u5206\u6bd4.<\/p>\n

\u6545\u9009B.<\/p>\n

\u70b9\u8bc4\uff1a\u672c\u9898\u8003\u67e5\u7684\u662f\u6247\u5f62\u7edf\u8ba1\u56fe\uff0c\u719f\u77e5\u4ece\u6247\u5f62\u56fe\u4e0a\u53ef\u4ee5\u6e05\u695a\u5730\u770b\u51fa\u5404\u90e8\u5206\u6570\u91cf\u548c\u603b\u6570\u91cf\u4e4b\u95f4\u7684\u5173\u7cfb\u662f\u89e3\u7b54\u6b64\u9898\u7684\u5173\u952e.<\/p>\n

\u4e8c\u3001\u586b\u7a7a\u9898(\u6bcf\u5c0f\u98985\u5206\uff0c\u517120\u5206)<\/p>\n

11.\u5728(\ufe631)2010\uff0c(\ufe631)2011\uff0c\ufe6323\uff0c(\ufe633)2\u8fd9\u56db\u4e2a\u6570\u4e2d\uff0c\u7684\u6570\u4e0e\u6700\u5c0f\u7684\u6570\u7684\u5dee\u7b49\u4e8e17.<\/p>\n

\u8003\u70b9\uff1a\u6709\u7406\u6570\u5927\u5c0f\u6bd4\u8f83;\u6709\u7406\u6570\u7684\u51cf\u6cd5;\u6709\u7406\u6570\u7684\u4e58\u65b9.<\/p>\n

\u5206\u6790\uff1a\u6839\u636e\u6709\u7406\u6570\u7684\u4e58\u65b9\u6cd5\u5219\u7b97\u51fa\u5404\u6570\uff0c\u627e\u51fa\u7684\u6570\u4e0e\u6700\u5c0f\u7684\u6570\uff0c\u518d\u8fdb\u884c\u8ba1\u7b97\u5373\u53ef.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a\u2235(\ufe631)2010=1\uff0c(\ufe631)2011=\ufe631\uff0c\ufe6323=\ufe638\uff0c(\ufe633)2=9\uff0c<\/p>\n

\u2234\u7684\u6570\u662f(\ufe633)2\uff0c\u6700\u5c0f\u7684\u6570\u662f\ufe6323\uff0c<\/p>\n

\u2234\u7684\u6570\u4e0e\u6700\u5c0f\u7684\u6570\u7684\u5dee\u7b49\u4e8e=9\ufe63(\ufe638)=17.<\/p>\n

\u6545\u7b54\u6848\u4e3a\uff1a17.<\/p>\n

\u70b9\u8bc4\uff1a\u6b64\u9898\u8003\u67e5\u4e86\u6709\u7406\u6570\u7684\u5927\u5c0f\u6bd4\u8f83\uff0c\u6839\u636e\u6709\u7406\u6570\u7684\u4e58\u65b9\u6cd5\u5219\u7b97\u51fa\u5404\u6570\uff0c\u627e\u51fa\u8fd9\u7ec4\u6570\u636e\u7684\u503c\u4e0e\u6700\u5c0f\u503c\u662f\u672c\u9898\u7684\u5173\u952e.<\/p>\n

12.\u5df2\u77e5m+n=1\uff0c\u5219\u4ee3\u6570\u5f0f\ufe63m+2\ufe63n=1.<\/p>\n

\u8003\u70b9\uff1a\u4ee3\u6570\u5f0f\u6c42\u503c.<\/p>\n

\u4e13\u9898\uff1a\u8ba1\u7b97\u9898.<\/p>\n

\u5206\u6790\uff1a\u5206\u6790\u5df2\u77e5\u95ee\u9898\uff0c\u6b64\u9898\u53ef\u7528\u6574\u4f53\u4ee3\u5165\u6cd5\u6c42\u4ee3\u6570\u5f0f\u7684\u503c\uff0c\u628a\u4ee3\u6570\u5f0f\ufe63m+2\ufe63n\u5316\u4e3a\u542bm+n\u7684\u4ee3\u6570\u5f0f\uff0c\u7136\u540e\u628am+n=1\u4ee3\u5165\u6c42\u503c.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a\ufe63m+2\ufe63n=\ufe63(m+n)+2\uff0c<\/p>\n

\u5df2\u77e5m+n=1\u4ee3\u5165\u4e0a\u5f0f\u5f97\uff1a<\/p>\n

\ufe631+2=1.<\/p>\n

\u6545\u7b54\u6848\u4e3a\uff1a1.<\/p>\n

\u70b9\u8bc4\uff1a\u6b64\u9898\u8003\u67e5\u4e86\u5b66\u751f\u5bf9\u6570\u5b66\u6574\u4f53\u601d\u60f3\u7684\u638c\u63e1\u8fd0\u7528\u53ca\u4ee3\u6570\u5f0f\u6c42\u503c\u95ee\u9898.\u5173\u952e\u662f\u628a\u4ee3\u6570\u5f0f\ufe63m+2\ufe63n\u5316\u4e3a\u542bm+n\u7684\u4ee3\u6570\u5f0f.<\/p>\n

13.\u5df2\u77e5\u5355\u9879\u5f0f\u4e0e\ufe633x2n\ufe633y8\u662f\u540c\u7c7b\u9879\uff0c\u52193m\ufe635n\u7684\u503c\u4e3a\ufe637.<\/p>\n

\u8003\u70b9\uff1a\u540c\u7c7b\u9879.<\/p>\n

\u4e13\u9898\uff1a\u8ba1\u7b97\u9898.<\/p>\n

\u5206\u6790\uff1a\u7531\u5355\u9879\u5f0f\u4e0e\ufe633x2n\ufe633y8\u662f\u540c\u7c7b\u9879\uff0c\u53ef\u5f97m=2n\ufe633\uff0c2m+3n=8\uff0c\u5206\u522b\u6c42\u5f97m\u3001n\u7684\u503c\uff0c\u5373\u53ef\u6c42\u51fa3m\ufe635n\u7684\u503c.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a\u7531\u9898\u610f\u53ef\u77e5\uff0cm=2n\ufe633\uff0c2m+3n=8\uff0c<\/p>\n

\u5c06m=2n\ufe633\u4ee3\u51652m+3n=8\u5f97\uff0c<\/p>\n

2(2n\ufe633)+3n=8\uff0c<\/p>\n

\u89e3\u5f97n=2\uff0c<\/p>\n

\u5c06n=2\u4ee3\u5165m=2n\ufe633\u5f97\uff0c<\/p>\n

m=1\uff0c<\/p>\n

\u6240\u4ee53m\ufe635n=3\u00d71\ufe635\u00d72=\ufe637.<\/p>\n

\u6545\u7b54\u6848\u4e3a\uff1a\ufe637.<\/p>\n

\u70b9\u8bc4\uff1a\u6b64\u9898\u4e3b\u8981\u8003\u67e5\u5b66\u751f\u5bf9\u540c\u7c7b\u9879\u5f97\u7406\u89e3\u548c\u638c\u63e1\uff0c\u89e3\u7b54\u6b64\u9898\u7684\u5173\u952e\u662f\u7531\u5355\u9879\u5f0f\u4e0e\ufe633x2n\ufe633y8\u662f\u540c\u7c7b\u9879\uff0c\u5f97\u51fam=2n\ufe633\uff0c2m+3n=8.<\/p>\n

14.\u5df2\u77e5\u7ebf\u6bb5AB=8cm\uff0c\u5728\u76f4\u7ebfAB\u4e0a\u6709\u4e00\u70b9C\uff0c\u4e14BC=4cm\uff0cM\u662f\u7ebf\u6bb5AC\u7684\u4e2d\u70b9\uff0c\u5219\u7ebf\u6bb5AM\u7684\u957f\u4e3a2cm\u62166cm.<\/p>\n

\u8003\u70b9\uff1a\u4e24\u70b9\u95f4\u7684\u8ddd\u79bb.<\/p>\n

\u4e13\u9898\uff1a\u8ba1\u7b97\u9898.<\/p>\n

\u5206\u6790\uff1a\u5e94\u8003\u8651\u5230A\u3001B\u3001C\u4e09\u70b9\u4e4b\u95f4\u7684\u4f4d\u7f6e\u5173\u7cfb\u7684\u591a\u79cd\u53ef\u80fd\uff0c\u5373\u70b9C\u5728\u7ebf\u6bb5AB\u7684\u5ef6\u957f\u7ebf\u4e0a\u6216\u70b9C\u5728\u7ebf\u6bb5AB\u4e0a.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a\u2460\u5f53\u70b9C\u5728\u7ebf\u6bb5AB\u7684\u5ef6\u957f\u7ebf\u4e0a\u65f6\uff0c\u6b64\u65f6AC=AB+BC=12cm\uff0c\u2235M\u662f\u7ebf\u6bb5AC\u7684\u4e2d\u70b9\uff0c\u5219AM=AC=6cm;<\/p>\n

\u2461\u5f53\u70b9C\u5728\u7ebf\u6bb5AB\u4e0a\u65f6\uff0cAC=AB\ufe63BC=4cm\uff0c\u2235M\u662f\u7ebf\u6bb5AC\u7684\u4e2d\u70b9\uff0c\u5219AM=AC=2cm.<\/p>\n

\u6545\u7b54\u6848\u4e3a6cm\u62162cm.<\/p>\n

\u70b9\u8bc4\uff1a\u672c\u9898\u4e3b\u8981\u8003\u67e5\u4e24\u70b9\u95f4\u7684\u8ddd\u79bb\u7684\u77e5\u8bc6\u70b9\uff0c\u5229\u7528\u4e2d\u70b9\u6027\u8d28\u8f6c\u5316\u7ebf\u6bb5\u4e4b\u95f4\u7684\u500d\u5206\u5173\u7cfb\u662f\u89e3\u9898\u7684\u5173\u952e\uff0c\u5728\u4e0d\u540c\u7684\u60c5\u51b5\u4e0b\u7075\u6d3b\u9009\u7528\u5b83\u7684\u4e0d\u540c\u8868\u793a\u65b9\u6cd5\uff0c\u6709\u5229\u4e8e\u89e3\u9898\u7684\u7b80\u6d01\u6027.\u540c\u65f6\uff0c\u7075\u6d3b\u8fd0\u7528\u7ebf\u6bb5\u7684\u548c\u3001\u5dee\u3001\u500d\u3001\u5206\u8f6c\u5316\u7ebf\u6bb5\u4e4b\u95f4\u7684\u6570\u91cf\u5173\u7cfb\u4e5f\u662f\u5341\u5206\u5173\u952e\u7684\u4e00\u70b9.<\/p>\n

\u4e09\u3001\u8ba1\u7b97\u9898(\u672c\u9898\u51712\u5c0f\u9898\uff0c\u6bcf\u5c0f\u98988\u5206\uff0c\u517116\u5206)<\/p>\n

15.<\/p>\n

\u8003\u70b9\uff1a\u6709\u7406\u6570\u7684\u6df7\u5408\u8fd0\u7b97.<\/p>\n

\u4e13\u9898\uff1a\u8ba1\u7b97\u9898.<\/p>\n

\u5206\u6790\uff1a\u5728\u8fdb\u884c\u6709\u7406\u6570\u7684\u6df7\u5408\u8fd0\u7b97\u65f6\uff0c\u4e00\u662f\u8981\u6ce8\u610f\u8fd0\u7b97\u987a\u5e8f\uff0c\u5148\u7b97\u9ad8\u4e00\u7ea7\u7684\u8fd0\u7b97\uff0c\u518d\u7b97\u4f4e\u4e00\u7ea7\u7684\u8fd0\u7b97\uff0c\u5373\u5148\u4e58\u65b9\uff0c\u540e\u4e58\u9664\uff0c\u518d\u52a0\u51cf.\u540c\u7ea7\u8fd0\u7b97\u6309\u4ece\u5de6\u5230\u53f3\u7684\u987a\u5e8f\u8fdb\u884c.\u6709\u62ec\u53f7\u5148\u7b97\u62ec\u53f7\u5185\u7684\u8fd0\u7b97.\u4e8c\u662f\u8981\u6ce8\u610f\u89c2\u5bdf\uff0c\u7075\u6d3b\u8fd0\u7528\u8fd0\u7b97\u5f8b\u8fdb\u884c\u7b80\u4fbf\u8ba1\u7b97\uff0c\u4ee5\u63d0\u9ad8\u8fd0\u7b97\u901f\u5ea6\u53ca\u8fd0\u7b97\u80fd\u529b.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a\uff0c<\/p>\n

=\ufe639\ufe63125\u00d7\ufe6318\u00f79\uff0c<\/p>\n

=\ufe639\ufe6320\ufe632\uff0c<\/p>\n

=\ufe6331.<\/p>\n

\u70b9\u8bc4\uff1a\u672c\u9898\u8003\u67e5\u4e86\u6709\u7406\u6570\u7684\u7efc\u5408\u8fd0\u7b97\u80fd\u529b\uff0c\u89e3\u9898\u65f6\u8fd8\u5e94\u6ce8\u610f\u5982\u4f55\u53bb\u7edd\u5bf9\u503c.<\/p>\n

16.\u89e3\u65b9\u7a0b\u7ec4\uff1a.<\/p>\n

\u8003\u70b9\uff1a\u89e3\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4.<\/p>\n

\u4e13\u9898\uff1a\u8ba1\u7b97\u9898.<\/p>\n

\u5206\u6790\uff1a\u6839\u636e\u7b49\u5f0f\u7684\u6027\u8d28\u628a\u65b9\u7a0b\u7ec4\u4e2d\u7684\u65b9\u7a0b\u5316\u7b80\u4e3a\uff0c\u518d\u89e3\u5373\u53ef.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a\u539f\u65b9\u7a0b\u7ec4\u5316\u7b80\u5f97<\/p>\n

\u2460+\u2461\u5f97\uff1a20a=60\uff0c<\/p>\n

\u2234a=3\uff0c<\/p>\n

\u4ee3\u5165\u2460\u5f97\uff1a8\u00d73+15b=54\uff0c<\/p>\n

\u2234b=2\uff0c<\/p>\n

\u5373.<\/p>\n

\u70b9\u8bc4\uff1a\u6b64\u9898\u662f\u8003\u67e5\u7b49\u5f0f\u7684\u6027\u8d28\u548c\u89e3\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\u65f6\u7684\u52a0\u51cf\u6d88\u5143\u6cd5.<\/p>\n

\u56db\u3001(\u672c\u9898\u51712\u5c0f\u9898\uff0c\u6bcf\u5c0f\u98988\u5206\uff0c\u517116\u5206)<\/p>\n

17.\u5df2\u77e5\u2220\u03b1\u4e0e\u2220\u03b2\u4e92\u4e3a\u8865\u89d2\uff0c\u4e14\u2220\u03b2\u7684\u6bd4\u2220\u03b1\u592715\u00b0\uff0c\u6c42\u2220\u03b1\u7684\u4f59\u89d2.<\/p>\n

\u8003\u70b9\uff1a\u4f59\u89d2\u548c\u8865\u89d2.<\/p>\n

\u4e13\u9898\uff1a\u5e94\u7528\u9898.<\/p>\n

\u5206\u6790\uff1a\u6839\u636e\u8865\u89d2\u7684\u5b9a\u4e49\uff0c\u4e92\u8865\u4e24\u89d2\u7684\u548c\u4e3a180\u00b0\uff0c\u6839\u636e\u9898\u610f\u5217\u51fa\u65b9\u7a0b\u7ec4\u5373\u53ef\u6c42\u51fa\u2220\u03b1\uff0c\u518d\u6839\u636e\u4f59\u89d2\u7684\u5b9a\u4e49\u5373\u53ef\u5f97\u51fa\u7ed3\u679c.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a\u6839\u636e\u9898\u610f\u53ca\u8865\u89d2\u7684\u5b9a\u4e49\uff0c<\/p>\n

\u2234\uff0c<\/p>\n

\u89e3\u5f97\uff0c<\/p>\n

\u2234\u2220\u03b1\u7684\u4f59\u89d2\u4e3a90\u00b0\ufe63\u2220\u03b1=90\u00b0\ufe6363\u00b0=27\u00b0.<\/p>\n

\u6545\u7b54\u6848\u4e3a\uff1a27\u00b0.<\/p>\n

\u70b9\u8bc4\uff1a\u672c\u9898\u4e3b\u8981\u8003\u67e5\u4e86\u8865\u89d2\u3001\u4f59\u89d2\u7684\u5b9a\u4e49\u53ca\u89e3\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\uff0c\u96be\u5ea6\u9002\u4e2d.<\/p>\n

18.\u5982\u56fe\uff0cC\u4e3a\u7ebf\u6bb5AB\u7684\u4e2d\u70b9\uff0cD\u662f\u7ebf\u6bb5CB\u7684\u4e2d\u70b9\uff0cCD=1cm\uff0c\u6c42\u56fe\u4e2dAC+AD+AB\u7684\u957f\u5ea6\u548c.<\/p>\n

\u8003\u70b9\uff1a\u4e24\u70b9\u95f4\u7684\u8ddd\u79bb.<\/p>\n

\u5206\u6790\uff1a\u5148\u6839\u636eD\u662f\u7ebf\u6bb5CB\u7684\u4e2d\u70b9\uff0cCD=1cm\u6c42\u51faBC\u7684\u957f\uff0c\u518d\u7531C\u662fAB\u7684\u4e2d\u70b9\u5f97\u51faAC\u53caAB\u7684\u957f\uff0c\u6545\u53ef\u5f97\u51faAD\u7684\u957f\uff0c\u8fdb\u800c\u53ef\u5f97\u51fa\u7ed3\u8bba.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a\u2235CD=1cm\uff0cD\u662fCB\u4e2d\u70b9\uff0c<\/p>\n

\u2234BC=2cm\uff0c<\/p>\n

\u53c8\u2235C\u662fAB\u7684\u4e2d\u70b9\uff0c<\/p>\n

\u2234AC=2cm\uff0cAB=4cm\uff0c<\/p>\n

\u2234AD=AC+CD=3cm\uff0c<\/p>\n

\u2234AC+AD+AB=9cm.<\/p>\n

\u70b9\u8bc4\uff1a\u672c\u9898\u8003\u67e5\u7684\u662f\u4e24\u70b9\u95f4\u7684\u8ddd\u79bb\uff0c\u719f\u77e5\u5404\u7ebf\u6bb5\u4e4b\u95f4\u7684\u548c\u3001\u5dee\u53ca\u500d\u6570\u5173\u7cfb\u662f\u89e3\u7b54\u6b64\u9898\u7684\u5173\u952e.<\/p>\n

\u4e94\u3001(\u672c\u9898\u51712\u5c0f\u9898\uff0c\u6bcf\u5c0f\u989810\u5206\uff0c\u517120\u5206)<\/p>\n

19.\u5df2\u77e5\uff0cA=a3\ufe63a2\ufe63a\uff0cB=a\ufe63a2\ufe63a3\uff0cC=2a2\ufe63a\uff0c\u6c42A\ufe632B+3C\u7684\u503c.<\/p>\n

\u8003\u70b9\uff1a\u6574\u5f0f\u7684\u52a0\u51cf.<\/p>\n

\u4e13\u9898\uff1a\u8ba1\u7b97\u9898.<\/p>\n

\u5206\u6790\uff1a\u5c06A\u3001B\u3001C\u7684\u503c\u4ee3\u5165A\ufe632B+3C\u53bb\u62ec\u53f7\uff0c\u518d\u5408\u5e76\u540c\u7c7b\u9879\uff0c\u4ece\u800c\u5f97\u51fa\u7b54\u6848.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1aA\ufe632B+3C=(a3\ufe63a2\ufe63a)\ufe632(a\ufe63a2\ufe63a3)+3(2a2\ufe63a)\uff0c<\/p>\n

=a3\ufe63a2\ufe63a\ufe632a+2a2+2a3+6a2\ufe633a\uff0c<\/p>\n

=3a3+7a2\ufe636a.<\/p>\n

\u70b9\u8bc4\uff1a\u672c\u9898\u8003\u67e5\u4e86\u6574\u5f0f\u7684\u52a0\u51cf\uff0c\u89e3\u51b3\u6b64\u7c7b\u9898\u76ee\u7684\u5173\u952e\u662f\u719f\u8bb0\u53bb\u62ec\u53f7\u6cd5\u5219\uff0c\u719f\u7ec3\u8fd0\u7528\u5408\u5e76\u540c\u7c7b\u9879\u7684\u6cd5\u5219\uff0c\u8fd9\u662f\u5404\u5730\u4e2d\u8003\u7684\u5e38\u8003\u70b9.<\/p>\n

20.\u4e00\u4e2a\u4e24\u4f4d\u6570\u7684\u5341\u4f4d\u6570\u5b57\u548c\u4e2a\u4f4d\u6570\u5b57\u4e4b\u548c\u662f7\uff0c\u5982\u679c\u8fd9\u4e2a\u4e24\u4f4d\u6570\u52a0\u4e0a45\uff0c\u5219\u6070\u597d\u6210\u4e3a\u4e2a\u4f4d\u6570\u5b57\u4e0e\u5341\u4f4d\u6570\u5b57\u5bf9\u8c03\u4e4b\u540e\u7ec4\u6210\u7684\u4e24\u4f4d\u6570.\u6c42\u8fd9\u4e2a\u4e24\u4f4d\u6570.<\/p>\n

\u8003\u70b9\uff1a\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\u7684\u5e94\u7528<\/a>.<\/p>\n

\u4e13\u9898\uff1a\u6570\u5b57\u95ee\u9898;\u65b9\u7a0b\u601d\u60f3.<\/p>\n

\u5206\u6790\uff1a\u5148\u8bbe\u8fd9\u4e2a\u4e24\u4f4d\u6570\u7684\u5341\u4f4d\u6570\u5b57\u548c\u4e2a\u4f4d\u6570\u5b57\u5206\u522b\u4e3ax\uff0c7\ufe63x\uff0c\u6839\u636e\u9898\u610f\u5217\u51fa\u65b9\u7a0b\uff0c\u6c42\u51fa\u8fd9\u4e2a\u4e24\u4f4d\u6570.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a\u8bbe\u8fd9\u4e2a\u4e24\u4f4d\u6570\u7684\u5341\u4f4d\u6570\u5b57\u4e3ax\uff0c\u5219\u4e2a\u4f4d\u6570\u5b57\u4e3a7\ufe63x\uff0c<\/p>\n

\u7531\u9898\u610f\u5217\u65b9\u7a0b\u5f97\uff0c10x+7\ufe63x+45=10(7\ufe63x)+x\uff0c<\/p>\n

\u89e3\u5f97x=1\uff0c<\/p>\n

\u22347\ufe63x=7\ufe631=6\uff0c<\/p>\n

\u2234\u8fd9\u4e2a\u4e24\u4f4d\u6570\u4e3a16.<\/p>\n

\u70b9\u8bc4\uff1a\u672c\u9898\u8003\u67e5\u4e86\u6570\u5b57\u95ee\u9898\uff0c\u65b9\u7a0b\u601d\u60f3\u662f\u5f88\u91cd\u8981\u7684\u6570\u5b66\u601d\u60f3.<\/p>\n

\u516d.(\u672c\u9898\u6ee1\u520612\u5206)<\/p>\n

21.\u53d6\u4e00\u5f20\u957f\u65b9\u5f62\u7684\u7eb8\u7247\uff0c\u5982\u56fe\u2460\u6240\u793a\uff0c\u6298\u53e0\u4e00\u4e2a\u89d2\uff0c\u8bb0\u9876\u70b9A\u843d\u4e0b\u7684\u4f4d\u7f6e\u4e3aA\u2032\uff0c\u6298\u75d5\u4e3aCD\uff0c\u5982\u56fe\u2461\u6240\u793a\u518d\u6298\u53e0\u53e6\u4e00\u4e2a\u89d2\uff0c\u4f7fDB\u6cbfDA\u2032\u65b9\u5411\u843d\u4e0b\uff0c\u6298\u75d5\u4e3aDE\uff0c\u8bd5\u5224\u65ad\u2220CDE\u7684\u5927\u5c0f\uff0c\u5e76\u8bf4\u660e\u4f60\u7684\u7406\u7531.<\/p>\n

\u8003\u70b9\uff1a\u89d2\u7684\u8ba1\u7b97;\u7ffb\u6298\u53d8\u6362(\u6298\u53e0\u95ee\u9898).<\/p>\n

\u4e13\u9898\uff1a\u51e0\u4f55\u56fe\u5f62\u95ee\u9898.<\/p>\n

\u5206\u6790\uff1a\u6839\u636e\u6298\u53e0\u7684\u539f\u7406\uff0c\u53ef\u77e5\u2220BDE=\u2220A\u2032DE\uff0c\u2220A\u2032DC=\u2220ADC.\u518d\u5229\u7528\u5e73\u89d2\u4e3a180\u00b0\uff0c\u6613\u6c42\u5f97\u2220CDE=90\u00b0.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a\u2220CDE=90\u00b0.<\/p>\n

\u7406\u7531\uff1a\u2235\u2220BDE=\u2220A\u2032DE\uff0c\u2220A\u2032DC=\u2220ADC\uff0c<\/p>\n

\u2234\u2220CDA\u2032=\u2220ADA\u2032\uff0c\u2220A\u2032DE=\u2220BDA\uff0c<\/p>\n

\u2234\u2220CDE=\u2220CDA\u2032+\u2220A\u2032DE\uff0c<\/p>\n

=\u2220ADA\u2032+\u2220BDA\uff0c<\/p>\n

=(\u2220ADA\u2032+\u2220BDA\u2032)\uff0c<\/p>\n

=\u00d7180\u00b0\uff0c<\/p>\n

=90\u00b0.<\/p>\n

\u70b9\u8bc4\uff1a\u672c\u9898\u8003\u67e5\u89d2\u7684\u8ba1\u7b97\u3001\u7ffb\u6298\u53d8\u6362.\u89e3\u51b3\u672c\u9898\u4e00\u5b9a\u660e\u767d\u5bf9\u6298\u7684\u4e24\u4e2a\u89d2\u76f8\u7b49\uff0c\u518d\u5c31\u662f\u8fd0\u7528\u5e73\u89d2\u7684\u5ea6\u6570\u4e3a180\u00b0\u8fd9\u4e00\u9690\u542b\u6761\u4ef6.<\/p>\n

\u4e03.(\u672c\u9898\u6ee1\u520612\u5206)<\/p>\n

22.\u4e3a\u4e86\u201c\u8ba9\u6240\u6709\u7684\u5b69\u5b50\u90fd\u80fd\u4e0a\u5f97\u8d77\u5b66\uff0c\u90fd\u80fd\u4e0a\u597d\u5b66\u201d\uff0c\u56fd\u5bb6\u81ea2007\u5e74\u8d77\u51fa\u53f0\u4e86\u4e00\u7cfb\u5217\u201c\u8d44\u52a9\u8d2b\u56f0\u5b66\u751f\u201d\u7684\u653f\u7b56\uff0c\u5176\u4e2d\u5305\u62ec\u5411\u7ecf\u6d4e\u56f0\u96be\u7684\u5b66\u751f\u514d\u8d39\u63d0\u4f9b\u6559\u79d1\u4e66\u7684\u653f\u7b56.\u4e3a\u786e\u4fdd\u8fd9\u9879\u5de5\u4f5c\u987a\u5229\u5b9e\u65bd\uff0c\u5b66\u6821\u9700\u8981\u8c03\u67e5\u5b66\u751f\u7684\u5bb6\u5ead\u60c5\u51b5.\u4ee5\u4e0b\u662f\u67d0\u5e02\u57ce\u90ca\u4e00\u6240\u4e2d\u5b66\u7532\u3001\u4e59\u4e24\u4e2a\u73ed\u7684\u8c03\u67e5\u7ed3\u679c\uff0c\u6574\u7406\u6210\u8868(\u4e00)\u548c\u56fe(\u4e00)\uff1a<\/p>\n

\u7c7b\u578b\u73ed\u7ea7\u57ce\u9547\u975e\u4f4e\u4fdd<\/p>\n

\u6237\u53e3\u4eba\u6570\u519c\u6751\u6237\u53e3\u4eba\u6570\u57ce\u9547\u6237\u53e3<\/p>\n

\u4f4e\u4fdd\u4eba\u6570\u603b\u4eba\u6570<\/p>\n

\u7532\u73ed20550<\/p>\n

\u4e59\u73ed28224<\/p>\n

(1)\u5c06\u8868(\u4e00)\u548c\u56fe(\u4e00)\u4e2d\u7684\u7a7a\u7f3a\u90e8\u5206\u8865\u5168.<\/p>\n

(2)\u73b0\u8981\u9884\u5b9a2009\u5e74\u4e0b\u5b66\u671f\u7684\u6559\u79d1\u4e66\uff0c\u5168\u989d100\u5143.\u82e5\u519c\u6751\u6237\u53e3\u5b66\u751f\u53ef\u5168\u514d\uff0c\u57ce\u9547\u4f4e\u4fdd\u7684\u5b66\u751f\u53ef\u51cf\u514d\uff0c\u57ce\u9547\u6237\u53e3(\u975e\u4f4e\u4fdd)\u5b66\u751f\u5168\u989d\u4ea4\u8d39.\u6c42\u4e59\u73ed\u5e94\u4ea4\u4e66\u8d39\u591a\u5c11\u5143?\u7532\u73ed\u53d7\u5230\u56fd\u5bb6\u8d44\u52a9\u6559\u79d1\u4e66\u7684\u5b66\u751f\u5360\u5168\u73ed\u4eba\u6570\u7684\u767e\u5206\u6bd4\u662f\u591a\u5c11?<\/p>\n

(3)\u4e94\u56db\u9752\u5e74<\/a>\u8282\u65f6\uff0c\u6821\u56e2\u59d4\u514d\u8d39\u8d60\u9001\u7ed9\u7532\u3001\u4e59\u4e24\u73ed\u82e5\u5e72\u518c\u79d1\u666e\u7c7b\u3001\u6587\u5b66\u7c7b\u53ca\u827a\u672f\u7c7b\u4e09\u79cd\u56fe\u4e66\uff0c\u5176\u4e2d\u6587\u5b66\u7c7b\u56fe\u4e66\u670915\u518c\uff0c\u4e09\u79cd\u56fe\u4e66\u6240\u5360\u6bd4\u4f8b\u5982\u56fe(\u4e8c)\u6240\u793a\uff0c\u6c42\u827a\u672f\u7c7b\u56fe\u4e66\u5171\u6709\u591a\u5c11\u518c?<\/p>\n

\u8003\u70b9\uff1a\u6761\u5f62\u7edf\u8ba1\u56fe.<\/p>\n

\u5206\u6790\uff1a(1)\u7531\u7edf\u8ba1\u8868\u53ef\u77e5\uff1a\u7532\u73ed\u519c\u6751\u6237\u53e3\u7684\u4eba\u6570\u4e3a50\ufe6320\ufe635=25\u4eba;\u4e59\u73ed\u7684\u603b\u4eba\u6570\u4e3a28+22+4=54\u4eba;<\/p>\n

(2)\u7531\u9898\u610f\u53ef\u77e5\uff1a\u4e59\u73ed\u670922\u4e2a\u519c\u6751\u6237\u53e3\uff0c28\u4e2a\u57ce\u9547\u6237\u53e3\uff0c4\u4e2a\u57ce\u9547\u4f4e\u4fdd\u6237\u53e3\uff0c\u6839\u636e\u6536\u8d39\u6807\u51c6\u5373\u53ef\u6c42\u89e3;<\/p>\n

\u7532\u73ed\u7684\u519c\u6751\u6237\u53e3\u7684\u5b66\u751f\u548c\u57ce\u9547\u4f4e\u4fdd\u6237\u53e3\u7684\u5b66\u751f\u90fd\u53ef\u4ee5\u53d7\u5230\u56fd\u5bb6\u8d44\u52a9\u6559\u79d1\u4e66\uff0c\u53ef\u4ee5\u53d7\u5230\u56fd\u5bb6\u8d44\u52a9\u6559\u79d1\u4e66\u7684\u603b\u4eba\u6570\u4e3a25+5=30\u4eba\uff0c\u5168\u73ed\u603b\u4eba\u6570\u662f50\u4eba\uff0c\u5373\u53ef\u6c42\u5f97;<\/p>\n

(3)\u7531\u6247\u5f62\u7edf\u8ba1\u56fe\u53ef\u77e5\uff1a\u6587\u5b66\u7c7b\u56fe\u4e66\u670915\u518c\uff0c\u536030%\uff0c\u5373\u53ef\u6c42\u5f97\u603b\u518c\u6570\uff0c\u5219\u6c42\u51fa\u827a\u672f\u7c7b\u56fe\u4e66\u6240\u5360\u7684\u767e\u5206\u6bd4\u5373\u53ef\u6c42\u89e3.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a<\/p>\n

(1)\u8865\u5145\u540e\u7684\u56fe\u5982\u4e0b\uff1a<\/p>\n

(2)\u4e59\u73ed\u5e94\u4ea4\u8d39\uff1a28\u00d7100+4\u00d7100\u00d7(1\ufe63)=2900\u5143;<\/p>\n

\u7532\u73ed\u53d7\u5230\u56fd\u5bb6\u8d44\u52a9\u6559\u79d1\u4e66\u7684\u5b66\u751f\u5360\u5168\u73ed\u4eba\u6570\u7684\u767e\u5206\u6bd4\uff1a\u00d7100%=60%;<\/p>\n

(3)\u603b\u518c\u6570\uff1a15\u00f730%=50(\u518c)\uff0c<\/p>\n

\u827a\u672f\u7c7b\u56fe\u4e66\u5171\u6709\uff1a50\u00d7(1\ufe6330%\ufe6344%)=13(\u518c).<\/p>\n

\u70b9\u8bc4\uff1a\u672c\u9898\u8003\u67e5\u7684\u662f\u6761\u5f62\u7edf\u8ba1\u56fe\u548c\u6247\u5f62\u7edf\u8ba1\u56fe\u7684\u7efc\u5408\u8fd0\u7528.\u8bfb\u61c2\u7edf\u8ba1\u56fe\uff0c\u4ece\u4e0d\u540c\u7684\u7edf\u8ba1\u56fe\u4e2d\u5f97\u5230\u5fc5\u8981\u7684\u4fe1\u606f\u662f\u89e3\u51b3\u95ee\u9898\u7684\u5173\u952e.\u6761\u5f62\u7edf\u8ba1\u56fe\u80fd\u6e05\u695a\u5730\u8868\u793a\u51fa\u6bcf\u4e2a\u9879\u76ee\u7684\u6570\u636e;\u6247\u5f62\u7edf\u8ba1\u56fe\u76f4\u63a5\u53cd\u6620\u90e8\u5206\u5360\u603b\u4f53\u7684\u767e\u5206\u6bd4\u5927\u5c0f.<\/p>\n

\u516b\u3001(\u672c\u9898\u6ee1\u520614\u5206)<\/p>\n

23.\u5982\u56fe\u6240\u793a\uff0c\u2220AOB=90\u00b0\uff0c\u2220BOC=30\u00b0\uff0cOM\u5e73\u5206\u2220AOC\uff0cON\u5e73\u5206\u2220BOC\uff0c\u6c42\u2220MON\u7684\u5ea6\u6570.<\/p>\n

(2)\u5982\u679c(1)\u4e2d\u2220AOB=\u03b1\uff0c\u5176\u4ed6\u6761\u4ef6\u4e0d\u53d8\uff0c\u6c42\u2220MON\u7684\u5ea6\u6570.<\/p>\n

(3)\u5982\u679c(1)\u4e2d\u2220BOC=\u03b2(\u03b2\u4e3a\u9510\u89d2)\uff0c\u5176\u4ed6\u6761\u4ef6\u4e0d\u53d8\uff0c\u6c42\u2220MON\u7684\u5ea6\u6570.<\/p>\n

(4)\u4ece(1)(2)(3)\u7684\u7ed3\u679c\u4f60\u80fd\u770b\u51fa\u4ec0\u4e48\u89c4\u5f8b?<\/p>\n

(5)\u7ebf\u6bb5\u7684\u8ba1\u7b97\u4e0e\u89d2\u7684\u8ba1\u7b97\u5b58\u5728\u7740\u7d27\u5bc6\u7684\u8054\u7cfb\uff0c\u5b83\u4eec\u4e4b\u95f4\u53ef\u4ee5\u4e92\u76f8\u501f\u9274\u89e3\u6cd5\uff0c\u8bf7\u4f60\u6a21\u4eff(1)\uff5e(4)\uff0c\u8bbe\u8ba1\u4e00\u9053\u4ee5\u7ebf\u6bb5\u4e3a\u80cc\u666f\u7684\u8ba1\u7b97\u9898\uff0c\u5e76\u5199\u51fa\u5176\u4e2d\u7684\u89c4\u5f8b\u6765?<\/p>\n

\u8003\u70b9\uff1a\u89d2\u7684\u8ba1\u7b97.<\/p>\n

\u4e13\u9898\uff1a\u89c4\u5f8b\u578b.<\/p>\n

\u5206\u6790\uff1a(1)\u9996\u5148\u6839\u636e\u9898\u4e2d\u5df2\u77e5\u7684\u4e24\u4e2a\u89d2\u5ea6\u6570\uff0c\u6c42\u51fa\u89d2AOC\u7684\u5ea6\u6570\uff0c\u7136\u540e\u6839\u636e\u89d2\u5e73\u5206\u7ebf\u7684\u5b9a\u4e49\u53ef\u77e5\u89d2\u5e73\u5206\u7ebf\u5206\u6210\u7684\u4e24\u4e2a\u89d2\u90fd\u7b49\u4e8e\u5176\u5927\u89d2\u7684\u4e00\u534a\uff0c\u5206\u522b\u6c42\u51fa\u89d2MOC\u548c\u89d2NOC\uff0c\u4e24\u8005\u4e4b\u5dee\u5373\u4e3a\u89d2MON\u7684\u5ea6\u6570;<\/p>\n

(2)(3)\u7684\u8ba1\u7b97\u65b9\u6cd5\u4e0e(1)\u4e00\u6837.<\/p>\n

(4)\u901a\u8fc7\u524d\u4e09\u95ee\u6c42\u51fa\u7684\u89d2MON\u7684\u5ea6\u6570\u53ef\u53d1\u73b0\u5176\u90fd\u7b49\u4e8e\u89d2AOB\u5ea6\u6570\u7684\u4e00\u534a.<\/p>\n

(5)\u6a21\u4eff\u7ebf\u6bb5\u7684\u8ba1\u7b97\u4e0e\u89d2\u7684\u8ba1\u7b97\u5b58\u5728\u7740\u7d27\u5bc6\u7684\u8054\u7cfb\uff0c\u4e5f\u5728\u5df2\u77e5\u6761\u4ef6\u4e2d\u8bbe\u8ba1\u4e24\u6761\u7ebf\u6bb5\u7684\u957f\uff0c\u8bbe\u8ba1\u4e24\u4e2a\u4e2d\u70b9\uff0c\u6c42\u4e2d\u70b9\u95f4\u7684\u7ebf\u6bb5\u957f.<\/p>\n

\u89e3\u7b54\uff1a\u89e3\uff1a(1)\u2235\u2220AOB=90\u00b0\uff0c\u2220BOC=30\u00b0\uff0c<\/p>\n

\u2234\u2220AOC=90\u00b0+30\u00b0=120\u00b0\uff0c<\/p>\n

\u53c8OM\u5e73\u5206\u2220AOC\uff0c<\/p>\n

\u2234\u2220MOC=\u2220AOC=60\u00b0\uff0c<\/p>\n

\u53c8\u2235ON\u5e73\u5206\u2220BOC\uff0c<\/p>\n

\u2234\u2220NOC=\u2220BOC=15\u00b0<\/p>\n

\u2234\u2220MON=\u2220MOC\ufe63\u2220NOC=45\u00b0;<\/p>\n

(2)\u2235\u2220AOB=\u03b1\uff0c\u2220BOC=30\u00b0\uff0c<\/p>\n

\u2234\u2220AOC=\u03b1+30\u00b0\uff0c<\/p>\n

\u53c8OM\u5e73\u5206\u2220AOC\uff0c<\/p>\n

\u2234\u2220MOC=\u2220AOC=+15\u00b0\uff0c<\/p>\n

\u53c8\u2235ON\u5e73\u5206\u2220BOC\uff0c<\/p>\n

\u2234\u2220NOC=\u2220BOC=15\u00b0<\/p>\n

\u2234\u2220MON=\u2220MOC\ufe63\u2220NOC=;<\/p>\n

(3)\u2235\u2220AOB=90\u00b0\uff0c\u2220BOC=\u03b2\uff0c<\/p>\n

\u2234\u2220AOC=90\u00b0+\u03b2\uff0c<\/p>\n

\u53c8OM\u5e73\u5206\u2220AOC\uff0c<\/p>\n

\u2234\u2220MOC=\u2220AOC=+45\u00b0\uff0c<\/p>\n

\u53c8\u2235ON\u5e73\u5206\u2220BOC\uff0c<\/p>\n

\u2234\u2220NOC=\u2220BOC=<\/p>\n

\u2234\u2220MON=\u2220MOC\ufe63\u2220NOC=45\u00b0;<\/p>\n

(4)\u4ece(1)(2)(3)\u7684\u7ed3\u679c\u53ef\u77e5\u2220MON=\u2220AOB;<\/p>\n

(5)<\/p>\n

\u2460\u5df2\u77e5\u7ebf\u6bb5AB\u7684\u957f\u4e3a20\uff0c\u7ebf\u6bb5BC\u7684\u957f\u4e3a10\uff0c\u70b9M\u662f\u7ebf\u6bb5AC\u7684\u4e2d\u70b9\uff0c\u70b9N\u662f\u7ebf\u6bb5BC\u7684\u4e2d\u70b9\uff0c\u6c42\u7ebf\u6bb5MN\u7684\u957f;<\/p>\n

\u2461\u82e5\u628a\u7ebf\u6bb5AB\u7684\u957f\u6539\u4e3aa\uff0c\u5176\u4f59\u6761\u4ef6\u4e0d\u53d8\uff0c\u6c42\u7ebf\u6bb5MN\u7684\u957f;<\/p>\n

\u2462\u82e5\u628a\u7ebf\u6bb5BC\u7684\u957f\u6539\u4e3ab\uff0c\u5176\u4f59\u6761\u4ef6\u4e0d\u53d8\uff0c\u6c42\u7ebf\u6bb5MN\u7684\u957f;<\/p>\n

\u2463\u4ece\u2460\u2461\u2462\u4f60\u80fd\u53d1\u73b0\u4ec0\u4e48\u89c4\u5f8b.<\/p>\n

\u89c4\u5f8b\u4e3a\uff1aMN=AB.<\/p>\n

\u70b9\u8bc4\uff1a\u672c\u9898\u8003\u67e5\u4e86\u5b66\u4f1a\u5bf9\u89d2\u5e73\u5206\u7ebf\u6982\u5ff5\u7684\u7406\u89e3\uff0c\u4f1a\u6c42\u89d2\u7684\u5ea6\u6570\uff0c\u540c\u65f6\u8003\u67e5\u4e86\u5b66\u4f1a\u5f52\u7eb3\u603b\u7ed3\u89c4\u5f8b\u7684\u80fd\u529b\uff0c\u4ee5\u53ca\u4f1a\u6839\u636e\u89d2\u548c\u7ebf\u6bb5\u7684\u7d27\u5bc6\u8054\u7cfb\u8bbe\u8ba1\u5b9e\u9a8c\u7684\u80fd\u529b.<\/p>\n

\u521d\u4e00\u5e74\u7ea7\u6570\u5b66\u8003\u8bd5\u9898\u53ca\u7b54\u6848<\/strong><\/p>\n

\u4e00\u3001\u9009\u62e9\u9898(\u672c\u5927\u9898\u517112\u5c0f\u9898,\u6bcf\u5c0f\u98983\u5206,\u517136\u5206,\u5728\u6bcf\u5c0f\u9898\u7ed9\u51fa\u7684\u56db\u4e2a\u9009\u9879\u4e2d,\u53ea\u6709\u4e00\u9879\u662f\u7b26\u5408\u9898\u76ee\u8981\u6c42\u7684)<\/p>\n

1\u3001-3\u7684\u7edd\u5bf9\u503c\u7b49\u4e8e()<\/p>\n

A.-3B.3C.\u00b13D.\u5c0f\u4e8e3<\/p>\n

3\u3001\u4e0b\u9762\u8fd0\u7b97\u6b63\u786e\u7684\u662f()<\/p>\n

A.3ab+3ac=6abcB.4ab-4ba=0C.D.<\/p>\n

4\u3001\u4e0b\u5217\u56db\u4e2a\u5f0f\u5b50\u4e2d\uff0c\u662f\u65b9\u7a0b\u7684\u662f()<\/p>\n

A.1+2+3+4=10B.C.D.<\/p>\n

5\u3001\u4e0b\u5217\u7ed3\u8bba\u4e2d\u6b63\u786e\u7684\u662f()<\/p>\n

A.\u5728\u7b49\u5f0f3a-2=3b+5\u7684\u4e24\u8fb9\u90fd\u9664\u4ee53\uff0c\u53ef\u5f97\u7b49\u5f0fa-2=b+5<\/p>\n

B.\u5982\u679c2=-\uff0c\u90a3\u4e48=-2<\/p>\n

C.\u5728\u7b49\u5f0f5=0.1\u7684\u4e24\u8fb9\u90fd\u9664\u4ee50.1\uff0c\u53ef\u5f97\u7b49\u5f0f=0.5<\/p>\n

D.\u5728\u7b49\u5f0f7=5+3\u7684\u4e24\u8fb9\u90fd\u51cf\u53bb-3\uff0c\u53ef\u5f97\u7b49\u5f0f6-3=4+6<\/p>\n

6\u3001\u5df2\u77e5\u65b9\u7a0b\u662f\u5173\u4e8e\u7684\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\uff0c\u5219\u65b9\u7a0b\u7684\u89e3\u7b49\u4e8e()<\/p>\n

A.-1B.1C.D.-<\/p>\n

7\u3001\u89e3\u4e3ax=-3\u7684\u65b9\u7a0b\u662f()<\/p>\n

A.2x+3y=5B.C.D.3(x-2)-2(x-3)=5x<\/p>\n

8\u3001\u4e0b\u9762\u662f\u89e3\u65b9\u7a0b\u7684\u90e8\u5206\u6b65\u9aa4\uff1a\u2460\u75317x=4x-3\uff0c\u53d8\u5f62\u5f977x-4x=3;\u2461\u7531=1+\uff0c<\/p>\n

\u53d8\u5f62\u5f972(2-x)=1+3(x-3);\u2462\u75312(2x-1)-3(x-3)=1\uff0c\u53d8\u5f62\u5f974x-2-3x-9=1;<\/p>\n

\u2463\u75312(x+1)=7+x\uff0c\u53d8\u5f62\u5f97x=5.\u5176\u4e2d\u53d8\u5f62\u6b63\u786e\u7684\u4e2a\u6570\u662f()<\/p>\n

A.0\u4e2aB.1\u4e2aC.2\u4e2aD.3\u4e2a<\/p>\n

9\u3001,\u7528\u706b\u67f4\u68cd\u62fc\u6210\u4e00\u6392\u7531\u4e09\u89d2\u5f62\u7ec4\u6210\u7684\u5f62,\u5982\u679c\u5f62\u4e2d\u542b\u670916\u4e2a\u4e09\u89d2\u5f62,\u5219\u9700\u8981()\u6839\u706b\u67f4\u68cd<\/p>\n

A.30\u6839B.31\u6839C.32\u6839D.33\u6839<\/p>\n

10\u3001\u6574\u5f0f\u7684\u503c\u968fx\u7684\u53d6\u503c\u4e0d\u540c\u800c\u4e0d\u540c\uff0c\u4e0b\u8868\u662f\u5f53x\u53d6\u4e0d\u540c\u503c\u65f6\u5bf9\u5e94\u7684\u6574\u5f0f\u7684<\/p>\n

x-2-1012<\/p>\n

40-4-8-12<\/p>\n

\u503c\uff0c\u5219\u5173\u4e8ex\u7684\u65b9\u7a0b\u7684\u89e3\u4e3a()<\/p>\n

A.-1B.-2<\/p>\n

C.0D.\u4e3a\u5176\u5b83\u7684\u503c<\/p>\n

11\u3001\u67d0\u5546\u54c1\u8fdb\u4ef7a\u5143\uff0c\u5546\u5e97\u5c06\u4ef7\u683c\u63d0\u9ad830%\u4f5c\u96f6\u552e\u4ef7\u9500\u552e\uff0c\u5728\u9500\u552e\u65fa\u5b63\u8fc7\u540e\uff0c\u5546\u5e97\u4ee58\u6298(\u5373\u552e\u4ef7\u768480%)\u7684\u4ef7\u683c\u5f00\u5c55\u4fc3\u9500\u6d3b\u52a8\uff0c\u8fd9\u65f6\u4e00\u4ef6\u5546\u54c1\u7684\u552e\u4ef7\u4e3a()<\/p>\n

A.a\u5143;B.0.8a\u5143C.1.04a\u5143;D.0.92a\u5143<\/p>\n

12\u3001\u4e0b\u5217\u7ed3\u8bba\uff1a<\/p>\n

\u2460\u82e5a+b+c=0\uff0c\u4e14abc\u22600\uff0c\u5219\u65b9\u7a0ba+bx+c=0\u7684\u89e3\u662fx=1;<\/p>\n

\u2461\u82e5a(x-1)=b(x-1)\u6709\u7684\u89e3\uff0c\u5219a\u2260b;<\/p>\n

\u2462\u82e5b=2a,\u5219\u5173\u4e8ex\u7684\u65b9\u7a0bax+b=0(a\u22600)\u7684\u89e3\u4e3ax=-;<\/p>\n

\u2463\u82e5a+b+c=1\uff0c\u4e14a\u22600\uff0c\u5219x=1\u4e00\u5b9a\u662f\u65b9\u7a0bax+b+c=1\u7684\u89e3;<\/p>\n

\u5176\u4e2d\u7ed3\u8bba\u6b63\u786e\u4e2a\u6570\u6709()<\/p>\n

A.4\u4e2aB.3\u4e2aC.2\u4e2a;D.1\u4e2a<\/p>\n

\u4e8c\u3001\u586b\u7a7a\u9898\uff1a(\u672c\u5927\u9898\u51714\u5c0f\u9898,\u6bcf\u5c0f\u98983\u5206,\u517112\u5206,\u8bf7\u5c06\u4f60\u7684\u7b54\u6848\u5199\u5728\u201c____\u201d\u5904)<\/p>\n

13\u3001\u5199\u51fa\u6ee1\u8db3\u4e0b\u5217\u6761\u4ef6\u7684\u4e00\u4e2a\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\uff1a\u2460\u672a\u77e5\u6570\u7684\u7cfb\u6570\u662f-1;\u2461\u65b9\u7a0b\u7684\u89e3\u662f3\uff0c\u8fd9\u6837\u7684\u65b9\u7a0b\u53ef\u4ee5\u662f\uff1a____________.<\/p>\n

14\u3001\u8bbe\u67d0\u6570\u4e3ax\uff0c\u5b83\u76842\u500d\u662f\u5b83\u76843\u500d\u4e0e5\u7684\u5dee\uff0c\u5219\u5217\u51fa\u7684\u65b9\u7a0b\u4e3a______________.<\/p>\n

15\u3001\u82e5\u591a\u9879\u5f0f\u7684\u503c\u4e3a9\uff0c\u5219\u591a\u9879\u5f0f\u7684\u503c\u4e3a______________.<\/p>\n

16\u3001\u67d0\u5546\u573a\u63a8\u51fa\u4e86\u4e00\u4fc3\u9500\u6d3b\u52a8\uff1a\u4e00\u6b21\u8d2d\u7269\u5c11\u4e8e100\u5143\u7684\u4e0d\u4f18\u60e0;\u8d85\u8fc7100\u5143(\u542b100\u5143)\u7684\u63099\u6298\u4ed8\u6b3e\u3002\u5c0f\u660e\u4e70\u4e86\u4e00\u4ef6\u8863\u670d\uff0c\u4ed8\u6b3e99\u5143\uff0c\u5219\u8fd9\u4ef6\u8863\u670d\u7684\u539f\u4ef7\u662f___________\u5143\u3002<\/p>\n

\u7b54\u6848\uff1a<\/p>\n

\u4e00\u3001\u9009\u62e9\u9898(\u6bcf\u5c0f\u98983\u5206\uff0c\u517136\u5206)<\/p>\n

\u9898\u53f7123456789101112<\/p>\n

\u7b54\u6848BCDCBACBDCCB<\/p>\n

\u4e8c\u3001\u586b\u7a7a\u9898(\u6bcf\u5c0f\u98983\u5206\uff0c\u517112\u5206)<\/p>\n

13\u3001\u7b54\u6848\u4e0d.14\u30012x=3x-5.15\u30017.16\u300199\u5143\u6216110\u5143.<\/p>\n

\u4e09\u3001\u89e3\u7b54\u9898(\u672c\u5927\u9898\u51719\u5c0f\u9898\uff0c\u517172\u5206)<\/p>\n

17\u3001(\u7b54\u6848\u6b63\u786e\u5c31\u7ed93\u5206\uff0c\u9519\u8bef\u6263\u5149)<\/p>\n

(1)-27(2)<\/p>\n

18\u3001\u89e3\uff1a<\/p>\n

\u2026\u2026\u2026\u20262\u5206<\/p>\n

\u2026\u2026\u2026\u20263\u5206<\/p>\n

\u2026\u2026\u2026\u20265\u5206<\/p>\n

\u68c0\u9a8c\u2026\u2026\u2026\u20266\u5206<\/p>\n

19\u3001(1)\u53bb\u5206\u6bcd\u3001\u53bb\u62ec\u53f7\uff0c\u5f9710x-5x+5=20-2x-4\uff0c\u2026\u2026\u20262\u5206<\/p>\n

\u79fb\u9879\u53ca\u5408\u5e76\u540c\u7c7b\u9879\uff0c\u5f977x=11\uff0c<\/p>\n

\u89e3\u5f97x=117\u2026\u2026\u20264\u5206<\/p>\n

(2)\u65b9\u7a0b\u53ef\u4ee5\u5316\u4e3a\uff1a(4x-1.5)\u00d720.5\u00d72-(5x-0.8)\u00d750.2\u00d75=(1.2-x)\u00d7100.1\u00d710\u2026\u2026\u20262\u5206<\/p>\n

\u6574\u7406\uff0c\u5f972(4x-1.5)-5(5x-0.8)=10(1.2-x)<\/p>\n

\u53bb\u62ec\u53f7\u3001\u79fb\u9879\u3001\u5408\u5e76\u540c\u7c7b\u9879\uff0c\u5f97-7x=11,\u6240\u4ee5x=-117\u2026\u2026\u20264\u5206<\/p>\n

20\u3001\u89e3\uff1a(1)\u7531\u5f97\uff1ax=\u2026\u2026\u20261\u5206<\/p>\n

\u4f9d\u9898\u610f\u6709\uff1a+2-m=0\u89e3\u5f97\uff1am=6\u2026\u2026\u20263\u5206<\/p>\n

(2)\u7531m=6\uff0c\u89e3\u5f97\u65b9\u7a0b\u7684\u89e3\u4e3ax=4\u2026\u2026\u20265\u5206<\/p>\n

\u89e3\u5f97\u65b9\u7a0b\u7684\u89e3\u4e3ax=-4\u2026\u2026\u20266\u5206<\/p>\n

21\u3001(\u8bfe\u672cP88\u9875\u95ee\u98982\u6539\u7f16)<\/p>\n

\u89e3:(1)\u8bbe\u8fd9\u4e2a\u73ed\u6709x\u540d\u5b66\u751f.\u4f9d\u9898\u610f\u6709:\u2026\u2026\u20261\u5206<\/p>\n

3x+20=4x-25<\/p>\n

\u89e3\u5f97x=45\u2026\u2026\u20264\u5206<\/p>\n

\u24753x+20=3\u00d745+20=155\u2026\u2026\u20267\u5206<\/p>\n

\u7b54:\u8fd9\u4e2a\u73ed\u670945\u540d\u5b66\u751f,\u8fd9\u6279\u4e66\u5171\u6709155\u672c.\u2026\u2026\u20268\u5206<\/p>\n

22\u3001\u89e3\uff1a\u8bbe\u4e25\u91cd\u7f3a\u6c34\u57ce\u5e02\u6709x\u5ea7\uff0c\u4f9d\u9898\u610f\u6709:\u2026\u2026\u20261\u5206<\/p>\n

\u2026\u2026\u20264\u5206<\/p>\n

\u89e3\u5f97x=102\u2026\u2026\u20266\u5206<\/p>\n

\u7b54\uff1a\u4e25\u91cd\u7f3a\u6c34\u57ce\u5e02\u6709102\u5ea7.\u2026\u2026\u20267\u5206<\/p>\n

23\u3001(\u8bfe\u672cP112\u9875\u6539\u7f16)<\/p>\n

\u7531D\u5377\u53ef\u77e5\uff0c\u6bcf\u7b54\u5bf9\u4e00\u9898\u4e0e\u7b54\u9519(\u6216\u4e0d\u7b54)\u4e00\u9898\u5171\u5f974\u5206\uff0c\u2026\u20261\u5206<\/p>\n

\u8bbe\u7b54\u5bf9\u4e00\u9898\u5f97x\u5206\uff0c\u5219\u7b54\u9519(\u6216\u4e0d\u7b54)\u4e00\u9898\u5f97(4-x)\u5206\uff0c\u2026\u20263\u5206<\/p>\n

\u518d\u7531A\u5377\u53ef\u5f97\u65b9\u7a0b\uff1a19x+(4-x)=94\uff0c<\/p>\n

\u89e3\u5f97\uff1ax=5\uff0c4-x=-1\u2026\u20265\u5206<\/p>\n

\u4e8e\u662f\uff0c\u7b54\u5bf9\u4e00\u9898\u5f975\u5206\uff0c\u4e0d\u7b54\u6216\u7b54\u9519\u4e00\u9898\u62631\u5206\u3002<\/p>\n

\u2234\u8fd9\u4f4d\u540c\u5b66\u4e0d\u53ef\u80fd\u5f9765\u5206\u3002\u2026\u202610\u5206<\/p>\n

24\u3001(\u8bfe\u672cP73\u9875\u6539\u7f16)<\/p>\n

(1)x+1\uff0cx+7\uff0cx+8\u2026\u20261\u5206(\u5fc5\u987b\u4e09\u4e2a\u5168\u5bf9\uff0c\u624d\u5f971\u5206)<\/p>\n

(2)\u2026\u20264\u5206<\/p>\n

(3)\u4e0d\u80fd\u3002<\/p>\n

\u8bbe,\uff0c\u4f46\u5de6\u4e0a\u89d2\u7684x\u4e0d\u80fd\u4e3a7\u7684\u500d\u6570\uff0c\u2026\u20268\u5206<\/p>\n

(4)\u586b1719\u2026\u202610\u5206<\/p>\n

\u65702005\u5728\u7b2c287\u884c\u7b2c3\u5217\uff0c\u53ef\u77e5\uff0c\u6700\u5c0f\uff0c==1719<\/p>\n

25\u3001(1)\u8bbe\u70b9A\u7684\u901f\u5ea6\u4e3a\u6bcf\u79d2t\u4e2a\u5355\u4f4d\u957f\u5ea6\uff0c\u5219\u70b9B\u7684\u901f\u5ea6\u4e3a\u6bcf\u79d24t\u4e2a\u5355\u4f4d\u957f\u5ea6.<\/p>\n

\u4f9d\u9898\u610f\u6709\uff1a3t+3\u00d74t=15,\u89e3\u5f97t=1\u2026\u20262\u5206<\/p>\n

\u2234\u70b9A\u7684\u901f\u5ea6\u4e3a\u6bcf\u79d21\u4e2a\u5355\u4f4d\u957f\u5ea6,\u70b9B\u7684\u901f\u5ea6\u4e3a\u6bcf\u79d24\u4e2a\u5355\u4f4d\u957f\u5ea6.\u20263\u5206<\/p>\n

\u753b\u2026\u2026\u20264\u5206<\/p>\n

(2)\u8bbex\u79d2\u65f6\uff0c\u539f\u70b9\u6070\u597d\u5904\u5728\u70b9A\u3001\u70b9B\u7684\u6b63\u4e2d\u95f4.\u2026\u2026\u20265\u5206<\/p>\n

\u6839\u636e\u9898\u610f\uff0c\u5f973+x=12-4x\u2026\u2026\u20267\u5206<\/p>\n

\u89e3\u4e4b\u5f97x=1.8<\/p>\n

\u5373\u8fd0\u52a81.8\u79d2\u65f6\uff0c\u539f\u70b9\u6070\u597d\u5904\u5728A\u3001B\u4e24\u70b9\u7684\u6b63\u4e2d\u95f4\u2026\u2026\u20268\u5206<\/p>\n

(3)\u8bbe\u8fd0\u52a8y\u79d2\u65f6\uff0c\u70b9B\u8ffd\u4e0a\u70b9A<\/p>\n

\u6839\u636e\u9898\u610f,\u5f974y-y=15,<\/p>\n

\u89e3\u4e4b\u5f97y=5\u2026\u202610\u5206<\/p>\n

\u5373\u70b9B\u8ffd\u4e0a\u70b9A\u5171\u7528\u53bb5\u79d2,\u800c\u8fd9\u4e2a\u65f6\u95f4\u6070\u597d\u662f\u70b9C\u4ece\u5f00\u59cb\u8fd0\u52a8\u5230\u505c\u6b62\u8fd0\u52a8\u6240\u82b1\u7684\u65f6\u95f4,\u56e0\u6b64\u70b9C\u884c\u9a76\u7684\u8def\u7a0b\u4e3a:20\u00d75=100(\u5355\u4f4d\u957f\u5ea6)\u2026\u202612\u5206<\/p>\n

\u521d\u4e00\u6570\u5b66\u671f\u672b\u8bd5\u5377\u8bd5\u9898\u5e26\u7b54\u6848<\/strong><\/p>\n

\u4e00\u3001\u9009\u62e9\u9898\uff1a(\u672c\u9898\u51718\u5c0f\u9898\uff0c\u6bcf\u5c0f\u98982\u5206\uff0c\u517116\u5206)<\/p>\n

1.-2\u7684\u5012\u6570\u662f ()<\/p>\n

a. \u2013 b. c. -2 d. 2<\/p>\n

2.\u8eab\u4efd\u8bc1\u53f7\u7801\u544a\u8bc9\u6211\u4eec\u5f88\u591a\u4fe1\u606f\uff0c\u67d0\u4eba\u7684\u8eab\u4efd\u8bc1\u53f7\u7801\u662f130503196704010012\uff0c\u5176\u4e2d13\u300105\u300103\u662f\u6b64\u4eba\u6240\u5c5e\u7684\u7701(\u5e02\u3001\u81ea\u6cbb\u533a)\u3001\u5e02\u3001\u53bf(\u5e02\u3001\u533a)\u7684\u7f16\u7801\uff0c1967\u300104\u300101\u662f\u6b64\u4eba\u51fa\u751f\u7684\u5e74\u3001\u6708\u3001\u65e5\uff0c001\u662f\u987a\u5e8f\u7801\uff0c2\u4e3a\u6821\u9a8c\u7801.\u90a3\u4e48\u8eab\u4efd\u8bc1\u53f7\u7801\u662f321084198101208022\u7684\u4eba\u7684\u751f\u65e5\u662f<\/p>\n

()<\/p>\n

a. 8\u670810\u65e5 b. 10\u670812\u65e5 c. 1\u670820\u65e5 d. 12\u67088\u65e5<\/p>\n

3.\u5c0612000000\u7528\u79d1\u5b66\u8ba1\u6570\u6cd5\u8868\u793a\u662f\uff1a xk1.c om ()<\/p>\n

a. 12\u00d7106 b. 1.2\u00d7107 c. 0.12\u00d7108 d. 120\u00d7105<\/p>\n

4.\u5982\u679c\u6574\u5f0fxn-2-5x+2\u662f\u5173\u4e8ex\u7684\u4e09\u6b21\u4e09\u9879\u5f0f\uff0c\u90a3\u4e48n\u7b49\u4e8e ()<\/p>\n

a. 3 b. 4 c. 5 d. 6<\/p>\n

5.\u5982\u56fe\u662f\u6bcf\u4e2a\u9762\u4e0a\u90fd\u6709\u4e00\u4e2a\u6c49\u5b57\u7684\u6b63\u65b9\u4f53\u7684\u4e00\u79cd\u5e73\u9762\u5c55\u5f00\u56fe\uff0c\u90a3\u4e48\u5728\u539f\u6b63\u65b9\u4f53\u4e2d\u548c\u201c\u56fd\u201d\u5b57\u76f8\u5bf9\u7684\u9762\u662f ()<\/p>\n

a. \u4e2d b. \u9493 c. \u9c7c d. \u5c9b<\/p>\n

6.\u4e0b\u9762\u56db\u4e2a\u56fe\u5f62\u4e2d\uff0c\u22201\u4e0e\u22202\u662f\u5bf9\u9876\u89d2\u7684\u56fe\u5f62\u4e3a ()<\/p>\n

7.\u4e0b\u5217\u8bed\u53e5\u6b63\u786e\u7684\u662f ()<\/p>\n

a. \u753b\u76f4\u7ebfab=10\u5398\u7c73 b. \u5ef6\u957f\u5c04\u7ebfoa<\/p>\n

c. \u753b\u5c04\u7ebfob=3\u5398\u7c73 d. \u5ef6\u957f\u7ebf\u6bb5ab\u5230\u70b9c\uff0c\u4f7f\u5f97bc=ab<\/p>\n

8. \u6cf0\u5174\u5e02\u65b0\u533a\u5bf9\u66fe\u6d9b\u8def\u8fdb\u884c\u7eff\u5316\uff0c\u8ba1\u5212\u628a\u67d0\u4e00\u6bb5\u516c\u8def\u7684\u4e00\u4fa7\u5168\u90e8\u683d\u4e0a\u6842\u82b1\u6811\uff0c\u8981\u6c42\u8def\u7684\u4e24\u7aef\u5404\u683d\u4e00\u68f5\uff0c\u5e76\u4e14\u6bcf\u4e24\u68f5\u6811<\/a>\u7684\u95f4\u9694\u76f8\u7b49.\u5982\u679c\u6bcf\u96945\u7c73\u683d1\u68f5\uff0c\u5219\u6811\u82d7\u7f3a21\u68f5;\u5982\u679c\u6bcf\u96946\u7c73\u683d1\u68f5\uff0c\u5219\u6811\u82d7\u6b63\u597d\u7528\u5b8c.\u5219\u539f\u6709\u6811\u82d7 \u68f5. ()<\/p>\n

a.100 b.105 c.106 d.111<\/p>\n

\u4e8c\u3001\u586b\u7a7a\u9898\uff1a(\u672c\u5927\u9898\u517110\u5c0f\u9898\uff0c\u6bcf\u5c0f\u98982\u5206\uff0c\u517120\u5206)<\/p>\n

9. \u5355\u9879\u5f0f-2xy\u7684\u6b21\u6570\u4e3a________.<\/p>\n

10.\u5df2\u77e5\u4e00\u4e2a\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\u7684\u89e3\u662f2\uff0c\u5219\u8fd9\u4e2a\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\u662f_________.(\u53ea\u5199\u4e00\u4e2a\u5373\u53ef)<\/p>\n

11.\u82e53xm+5y\u4e0ex3y\u662f\u540c\u7c7b\u9879\uff0c\u5219m=_________.<\/p>\n

12.\u82e5\u2220\u03b1\u7684\u4f59\u89d2\u662f38\u00b052\u2032\uff0c\u5219\u2220\u03b1\u7684\u8865\u89d2\u4e3a .<\/p>\n

13.\u82e5x=2\u662f\u5173\u4e8ex\u7684\u65b9\u7a0b2x+3m-1=0\u7684`\u89e3\uff0c\u5219m\u7684\u503c\u7b49\u4e8e_________<\/p>\n

14. \u5728\u6570\u8f74\u4e0a\u4e0e-3\u7684\u8ddd\u79bb\u7b49\u4e8e4\u7684\u70b9\u8868\u793a\u7684\u6570\u662f_________<\/p>\n

15.\u5982\u56fe\u6240\u7ed9\u7684\u4e09\u89c6\u56fe\u8868\u793a\u7684\u51e0\u4f55\u4f53\u662f_________.<\/p>\n

16.\u57283\uff0c-4\uff0c5\uff0c-6\u8fd9\u56db\u4e2a\u6570\u4e2d\uff0c\u4efb\u53d6\u4e24\u4e2a\u6570\u76f8\u4e58\uff0c\u6240\u5f97\u7684\u79ef\u6700\u5927\u662f .<\/p>\n

17. \u82e5\u22201+\u22202=90\u00b0\uff0c\u22202+\u22203=90\u00b0\uff0c\u5219\u22201=\u22203.\u7406\u7531\u662f .<\/p>\n

18.\u5982\u56fe\uff0c\u6bcf\u4e00\u5e45\u56fe\u4e2d\u5747\u542b\u6709\u82e5\u5e72\u4e2a\u6b63\u65b9\u5f62\uff0c\u7b2c1\u5e45\u56fe\u4e2d\u67091\u4e2a\u6b63\u65b9\u5f62;\u7b2c2\u5e45\u56fe\u4e2d\u67095\u4e2a\u6b63\u65b9\u5f62;\u2026\u6309\u8fd9\u6837\u7684\u89c4\u5f8b\u4e0b\u53bb\uff0c\u7b2c7\u5e45\u56fe\u4e2d\u6709_________\u4e2a\u6b63\u65b9\u5f62.<\/p>\n

\u4e09\u3001\u89e3\u7b54\u9898(\u672c\u5927\u9898\u517110\u5c0f\u9898\uff0c\u517164\u5206\uff0c\u628a\u89e3\u7b54\u8fc7\u7a0b\u5199\u5728\u7b54\u9898\u5377\u76f8\u5e94\u7684\u4f4d\u7f6e\u4e0a\uff0c\u89e3\u7b54\u65f6\u5e94\u5199\u51fa\u5fc5\u8981\u7684\u8ba1\u7b97\u8fc7\u7a0b\u3001\u63a8\u6f14\u6b65\u9aa4\u6216\u6587\u5b57\u8bf4\u660e.)<\/p>\n

19. (1) (\u672c\u98984\u5206)\u8ba1\u7b97\uff1a(-1)3\u00d7(-5)\u00f7[(-3)2+2\u00d7(-5)].<\/p>\n

(2) (\u672c\u98984\u5206)\u89e3\u65b9\u7a0b\uff1a<\/p>\n

20.(\u672c\u98986\u5206)\u5148\u5316\u7b80\uff0c\u518d\u6c42\u503c\uff1a<\/p>\n

2\u00d72+(-x2-2xy+2y2)-3(x2-xy+2y2)\uff0c\u5176\u4e2dx=2\uff0cy=-12.<\/p>\n

21.(\u672c\u9898 6\u5206)\u6211\u4eec\u5b9a\u4e49\u4e00\u79cd\u65b0\u8fd0\u7b97\uff1aa_b=2a-b+ab(\u7b49\u53f7\u53f3\u8fb9\u4e3a\u901a\u5e38\u610f\u4e49\u7684\u8fd0\u7b97)\uff1a<\/p>\n

(1) \u8ba1\u7b97\uff1a2_(-3)\u7684\u503c;<\/p>\n

(2) \u89e3\u65b9\u7a0b\uff1a3_x= _x.<\/p>\n

22.(\u672c\u98986\u5206)\u5982\u56fe\uff0c\u662f\u7531\u82e5\u5e72\u4e2a\u5b8c\u5168\u76f8\u540c\u7684\u5c0f\u6b63\u65b9\u4f53\u7ec4\u6210\u7684\u4e00\u4e2a\u51e0\u4f55\u4f53\u3002<\/p>\n

\u2474 \u8bf7\u753b\u51fa\u8fd9\u4e2a\u51e0\u4f55\u4f53\u7684\u5de6\u89c6\u56fe\u548c\u4fef\u89c6\u56fe;(\u7528\u9634\u5f71\u8868\u793a)<\/p>\n

\u2475 \u5982\u679c\u5728\u8fd9\u4e2a\u51e0\u4f55\u4f53\u4e0a\u518d\u6dfb\u52a0\u4e00\u4e9b\u76f8\u540c\u7684\u5c0f\u6b63\u65b9\u4f53\uff0c\u5e76\u4fdd\u6301\u8fd9\u4e2a\u51e0\u4f55\u4f53\u7684\u4fef\u89c6\u56fe\u548c\u5de6\u89c6\u56fe\u4e0d\u53d8\uff0c\u90a3\u4e48\u6700\u591a\u53ef\u4ee5\u518d\u6dfb\u52a0\u51e0\u4e2a\u5c0f\u6b63\u65b9\u4f53?<\/p>\n

23.(\u672c\u98986\u5206)\u5982\u56fe\uff0c\u7ebf\u6bb5ab=8cm\uff0cc\u662f\u7ebf\u6bb5ab\u4e0a\u4e00\u70b9\uff0cac=3cm\uff0cm\u662fab\u7684\u4e2d\u70b9\uff0cn\u662fac\u7684\u4e2d\u70b9.<\/p>\n

(1) \u6c42\u7ebf\u6bb5cm\u7684\u957f;<\/p>\n

(2) \u6c42\u7ebf\u6bb5mn\u7684\u957f.<\/p>\n

24.(\u672c\u98986\u5206)(1)\u5c0f\u5f3a\u75285\u4e2a\u5927\u5c0f\u4e00\u6837\u7684\u6b63\u65b9\u5f62\u5236\u6210\u5982\u56fe\u6240\u793a\u7684\u62fc\u63a5\u56fe\u5f62(\u9634\u5f71\u90e8\u5206)\uff0c\u8bf7\u4f60\u5728\u56fe\u4e2d\u7684\u62fc\u63a5\u56fe\u5f62\u4e0a\u518d\u63a5\u4e00\u4e2a\u6b63\u65b9\u5f62\uff0c\u4f7f\u65b0\u62fc\u63a5\u6210\u7684\u56fe\u5f62\u7ecf\u8fc7\u6298\u53e0\u540e\u80fd\u6210\u4e3a\u4e00\u4e2a\u5c01\u95ed\u7684\u6b63\u65b9\u4f53\u76d2\u5b50.<\/p>\n

\u6ce8\u610f\uff1a\u6dfb\u52a0\u56db\u4e2a\u7b26\u5408\u8981\u6c42\u7684\u6b63\u65b9\u5f62\uff0c\u5e76\u7528\u9634\u5f71\u8868\u793a.<\/p>\n

(2)\u5148\u7528\u4e09\u89d2\u677f\u753b\u2220aob=60\u00b0\uff0c\u2220boc=45\u00b0\uff0c\u7136\u540e\u8ba1\u7b97\u2220aoc\u7684\u5ea6\u6570.<\/p>\n

25. (\u672c\u98986\u5206)\u5c0f\u4e3d\u548c\u7238\u7238\u4e00\u8d77\u73a9\u6295\u7bee\u7403\u6e38\u620f\u3002\u4e24\u4eba\u5546\u5b9a\u89c4\u5219\u4e3a\uff1a\u5c0f\u4e3d\u6295\u4e2d1\u4e2a\u5f973\u5206\uff0c\u7238\u7238\u6295\u4e2d1\u4e2a\u5f971\u5206\uff0c\uff0c\u7ed3\u679c\u4e24\u4eba\u4e00\u5171\u6295\u4e2d\u4e8620\u4e2a\uff0c\u5f97\u5206\u521a\u597d\u76f8\u7b49\u3002\u5c0f\u4e3d\u6295\u4e2d\u4e86\u51e0\u4e2a?<\/p>\n

26.(\u672c\u98986\u5206)\u6709\u4e00\u79cd\u7528\u6765\u753b\u5706\u7684\u5de5\u5177\u677f(\u5982\u56fe\u6240\u793a)\uff0c\u5de5\u5177\u677f\u957f21cm\uff0c\u4e0a\u9762\u4f9d\u6b21\u6392\u5217\u7740\u5927\u5c0f\u4e0d\u7b49\u7684\u4e94\u4e2a\u5706(\u5b54)\uff0c\u5176\u4e2d\u6700\u5927\u5706\u7684\u76f4\u5f84\u4e3a3cm\uff0c\u5176\u4f59\u5706\u7684\u76f4\u5f84\u4ece\u5de6\u5230\u53f3\u4f9d\u6b21\u9012\u51cf0.2c\u6700\u5927\u5706\u7684\u5de6\u4fa7\u8ddd\u5de5\u5177\u677f\u5de6\u4fa7\u8fb9\u7f181.5cm\uff0c\u6700\u5c0f\u5706\u7684\u53f3\u4fa7\u8ddd\u5de5\u5177\u677f\u53f3\u4fa7\u8fb9\u7f181.5cm\uff0c\u76f8\u90bb\u4e24\u5706\u7684\u95f4\u8dddd\u5747\u76f8\u7b49.<\/p>\n

(1)\u76f4\u63a5\u5199\u51fa\u5176\u4f59\u56db\u4e2a\u5706\u7684\u76f4\u5f84\u957f;<\/p>\n

(2)\u6c42\u76f8\u90bb\u4e24\u5706\u7684\u95f4\u8ddd.<\/p>\n

27. (\u672c\u98986\u5206)\u5982\u56fe\uff0c\u76f4\u7ebfab\u4e0ecd\u76f8\u4ea4\u4e8eo\uff0coe\u22a5ab\uff0cof\u22a5cd,<\/p>\n

(1)\u56fe\u4e2d\u4e0e\u2220coe\u4e92\u4f59\u7684\u89d2\u662f______________;\u56fe\u4e2d\u4e0e\u2220coe\u4e92\u8865\u7684\u89d2\u662f<\/p>\n

______________;](\u628a\u7b26\u5408\u6761\u4ef6\u7684\u89d2\u90fd\u5199\u51fa\u6765)<\/p>\n

(2)\u5982\u679c\u2220aoc= \u2220eof,\u6c42\u2220aoc\u7684\u5ea6\u6570.<\/p>\n

28.(8\u5206) 1.\u5982\u56fe\uff0c\u5df2\u77e5\u6570\u8f74\u4e0a\u6709a\u3001b\u3001c\u4e09\u4e2a\u70b9\uff0c\u5b83\u4eec\u8868\u793a\u7684\u6570\u5206\u522b\u662f-24\uff0c-10\uff0c10.<\/p>\n

(1) \u586b\u7a7a\uff1aab=_________\uff0cbc=_________;<\/p>\n

(2) \u82e5\u70b9a\u4ee5\u6bcf\u79d21\u4e2a\u5355\u4f4d\u957f\u5ea6\u7684\u901f\u5ea6\u5411\u5de6\u8fd0\u52a8\uff0c\u540c\u65f6\uff0c\u70b9b\u548c\u70b9c\u5206\u522b\u4ee5\u6bcf\u79d23\u4e2a\u5355\u4f4d\u957f\u5ea6\u548c7\u4e2a\u5355\u4f4d\u957f\u5ea6\u7684\u901f\u5ea6\u5411\u53f3\u8fd0\u52a8.\u8bbe\u8fd0\u52a8\u65f6\u95f4\u4e3at \uff0c\u7528\u542bt\u7684\u4ee3\u6570\u5f0f\u8868\u793abc\u548cab\u7684\u957f\uff0c\u8bd5\u63a2\u7d22\uff1abc-ab\u7684\u503c\u662f\u5426\u968f\u7740\u65f6\u95f4t\u7684\u53d8\u5316\u800c\u6539\u53d8?\u8bf7\u8bf4\u660e\u7406\u7531.<\/p>\n

(3) \u73b0\u6709\u52a8\u70b9p\u3001q\u90fd\u4ecea\u70b9\u51fa\u53d1\uff0c\u70b9p\u4ee5\u6bcf\u79d21\u4e2a\u5355\u4f4d\u957f\u5ea6\u7684\u901f\u5ea6\u5411\u7ec8\u70b9c\u79fb\u52a8;\u5f53\u70b9p\u79fb\u52a8\u5230b\u70b9\u65f6\uff0c\u70b9q\u624d\u4ecea\u70b9\u51fa\u53d1\uff0c\u5e76\u4ee5\u6bcf\u79d23\u4e2a\u5355\u4f4d\u957f\u5ea6\u7684\u901f\u5ea6\u5411\u53f3\u79fb\u52a8\uff0c\u4e14\u5f53\u70b9p\u5230\u8fbec\u70b9\u65f6\uff0c\u70b9q\u5c31\u505c\u6b62\u79fb\u52a8.\u8bbe\u70b9p\u79fb\u52a8\u7684\u65f6\u95f4\u4e3at\u79d2\uff0c\u95ee:\u5f53t\u4e3a\u591a\u5c11\u65f6p\u3001q\u4e24\u70b9\u76f8\u8ddd6\u4e2a\u5355\u4f4d\u957f\u5ea6?<\/p>\n

\u53c2\u8003\u7b54\u6848\uff1a<\/p>\n

\u4e00\u3001\u9009\u62e9\u9898<\/p>\n

1.a 2.c 3.4.c 5.c 6.c 7.d 8.c<\/p>\n

\u4e00\u3001\u586b\u7a7a\u9898<\/p>\n

9.2 10.\u4e0d\u552f\u4e00 11.-2 12.128\u00b052\u2032 13.-1<\/p>\n

14.1\u6216 -7 15.\u5706\u9525 16.24 17.\u540c\u89d2\u7684\u4f59\u89d2\u76f8\u7b49 18.140<\/p>\n

\u4e09\u3001\u89e3\u7b54\u9898<\/p>\n

19.(1) -5 ( 2 ) x=<\/p>\n

20. -2x +xy-4\uff0c-10 (4 + 2\u5206)<\/p>\n

21.(1)1;(2) x=-2 (3 + 3\u5206)<\/p>\n

22.(1)\u56fe\u7565;(2)4\u4e2a (4 + 2\u5206)<\/p>\n

23.(1)1cm;(2)2.5cm (3 + 3\u5206)<\/p>\n

24.(1)<\/p>\n

(2)<\/p>\n

\u2220aoc=15\u00b0\u6216\u2220aoc=105\u00b0. (4 + 2\u5206)<\/p>\n

25.5 (6\u5206)<\/p>\n

26. (1)\u5176\u4f59\u56db\u4e2a\u5706\u7684\u76f4\u5f84\u4f9d\u6b21\u4e3a\uff1a2.8cm\uff0c2.6cm\uff0c2.4cm\uff0c2.2c<\/p>\n

(2)\u8bbe\u4e24\u5706\u7684\u8ddd\u79bb\u662fd\uff0c<\/p>\n

4d+1.5+1.5+3+2.8+2.6+2.4+2.2=21<\/p>\n

4d+16=21<\/p>\n

d= (4 + 2\u5206)<\/p>\n

27.(1)\u2220aoc,\u2220bod;\u2220bof\uff0c\u2220eod. (\u6bcf\u7a7a1\u5206\uff0c\u5c111\u4e2a\u4e0d\u5f97\u5206) (2) 50\u00b0 (4 \u5206)<\/p>\n

\u89e3\u7b54\uff1a 28.(1)ab=-10-(-24)=14\uff0cbc=10-(-10)=20.<\/p>\n

(2)\u7b54\uff1a\u4e0d\u53d8.\u2235\u7ecf\u8fc7t\u79d2\u540e\uff0ca\u3001b\u3001c\u4e09\u70b9\u6240\u5bf9\u5e94\u7684\u6570\u5206\u522b\u662f-24-t\uff0c-10+3t\uff0c10+7t\uff0c<\/p>\n

\u2234bc=(10+7t)-(-10+3t)=4t+20\uff0c<\/p>\n

ab=(-10+3t)-(-24-t)=4t+14\uff0c (2 + 3 + 3\u5206)<\/p>\n

\u2234bc-ab=(4t+20)-(4t+14)=6.<\/p>\n

\u2234bc-ab\u7684\u503c\u4e0d\u4f1a\u968f\u7740\u65f6\u95f4t\u7684\u53d8\u5316\u800c\u6539\u53d8.<\/p>\n

(3)\u7ecf\u8fc7t\u79d2\u540e\uff0cp\u3001q\u4e24\u70b9\u6240\u5bf9\u5e94\u7684\u6570\u5206\u522b\u662f-24+t\uff0c-24+3(t-14)\uff0c<\/p>\n

\u7531-24+3(t-14)-(-24+t)=0\u89e3\u5f97t=21\uff0c<\/p>\n

\u2460\u5f530<\/p>\n

\u2234pq\u2550t=6<\/p>\n

\u2461\u5f5314<\/p>\n

\u2234pq=(-24+t)-<\/p>\n

\n

<\/em>\u521d\u4e00\u6570\u5b66\u671f\u672b\u590d\u4e60\u8bd5\u5377\u542b\u7b54\u6848\u76f8\u5173\u6587\u7ae0\uff1a<\/strong><\/p>\n

\u2605 \u521d\u4e00\u6570\u5b66\u4e0a\u518c\u671f\u672b\u8003\u8bd5\u9884\u6d4b\u9898\u53ca\u7b54\u6848<\/p>\n

\u2605 \u521d\u4e00\u6570\u5b66\u671f\u672b\u8003\u8bd5\u91cd\u70b9\u6709\u54ea\u4e9b \u4e03\u5e74\u7ea7\u6570\u5b66\u671f\u672b\u91cd\u70b9\u6574\u7406<\/p>\n

\u2605 \u4e00\u5e74\u7ea7\u4e0a\u518c\u6570\u5b66\u671f\u672b\u7684\u590d\u4e60\u5377<\/p>\n

\u2605 \u4e00\u5e74\u7ea7\u6570\u5b66\u4e0a\u518c\u671f\u672b\u590d\u4e60\u7ec3\u4e60\u9898<\/p>\n

\u2605 \u4e00\u5e74\u7ea7\u6570\u5b66\u4e0b\u518c\u671f\u672b\u590d\u4e60\u9898<\/p>\n

\u2605 \u521d\u4e00\u6570\u5b66\u603b\u590d\u4e60\u8d44\u6599\u5f52\u7eb3<\/p>\n

\u2605 \u4e00\u5e74\u7ea7\u6570\u5b66\u4e0b\u518c\u671f\u672b\u91cd\u70b9\u590d\u4e60\u9898\u6c47\u603b<\/p>\n

\u2605 \u521d\u4e2d\u7684\u6570\u5b66\u603b\u590d\u4e60\u5fc5\u5907\u8d44\u6599<\/p>\n

\u2605 \u5173\u4e8e\u5c0f\u5b66\u516d\u5e74\u7ea7\u8bed\u6587\u6559\u5b66\u7684\u65b9\u6cd5\u548c\u6280\u5de7<\/p>\n

\u2605 \u521d\u4e2d\u6570\u5b66\u8fdb\u884c\u671f\u672b\u590d\u4e60\u7684\u65b9\u6cd5\u6709\u54ea\u4e9b<\/p>\n","protected":false},"excerpt":{"rendered":"

\u671f\u672b\u8003\u8bd5\u8003\u67e5\u9762\u6db5\u76d6\u5f88\u5e7f\u3002\u5b66\u4e86\u4e00\u5b66\u671f\uff0c\u7a76\u7adf\u5b66\u5f97\u600e\u4e48\u6837?\u6211\u4eec\u81ea\u5df1\u60f3\u77e5\u9053\uff0c\u8001\u5e08\u3001\u5bb6\u957f\u4e5f\u60f3\u77e5\u9053\u3002\u800c\u8fd9\u4e2a\u6548\u679c\u53ef\u4ee5\u901a\u8fc7\u8003\u8bd5\u6765\u68c0\u9a8c\u3002\u4e0b\u9762\u662f\u5c0f\u7f16\u4e3a\u5927\u5bb6\u6574\u7406\u7684\u5173\u4e8e\u521d\u4e00\u6570\u5b66\u671f\u672b\u590d\u4e60\u8bd5\u5377\u542b\u7b54\u6848\uff0c\u5e0c\u671b\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9! \u4e03\u5e74\u7ea7\u6570\u5b66\u671f\u672b\u8bd5\u5377\u53ca\u7b54\u6848 \u4e00\u3001\u9009\u62e9\u9898(\u6bcf\u5c0f\u98984\u5206 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41883],"tags":[63754,63167,62779],"class_list":["post-104567","post","type-post","status-publish","format-standard","hentry","category-fanwen","tag-yi-yuan-yi-ci-fang-cheng-de-ying-yong","tag-liang-ke-shu","tag-wu-si-qing-nian"],"_links":{"self":[{"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/posts\/104567","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/comments?post=104567"}],"version-history":[{"count":0,"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/posts\/104567\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/media?parent=104567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/categories?post=104567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/tags?post=104567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}