{"id":107749,"date":"2026-06-15T17:58:24","date_gmt":"2026-06-15T09:58:24","guid":{"rendered":"https:\/\/www.dongwubaike.cn\/fanhao\/?p=107749"},"modified":"2026-06-15T17:58:24","modified_gmt":"2026-06-15T09:58:24","slug":"%e5%85%ab%e5%b9%b4%e7%ba%a7%e4%b8%8a%e5%86%8c%e6%95%b0%e5%ad%a6%e5%90%8c%e6%ad%a5%e7%bb%83%e4%b9%a0%e7%ad%94%e6%a1%88","status":"publish","type":"post","link":"https:\/\/www.dongwubaike.cn\/fanhao\/107749.html","title":{"rendered":"\u516b\u5e74\u7ea7\u4e0a\u518c\u6570\u5b66\u540c\u6b65\u7ec3\u4e60\u7b54\u6848"},"content":{"rendered":"<p style=\"text-indent: 2em; text-align: left;\">\u5b66\u4e1a\u7684\u7cbe\u6df1\u9020\u8be3\u6765\u6e90\u4e8e\u52e4\u594b\u597d\u5b66\uff0c\u53ea\u6709<a href=\"https:\/\/www.dongwubaike.cn\/fanhao\/tag\/hao-xue-zhe\" title=\"View all posts in \u597d\u5b66\u8005\" target=\"_blank\">\u597d\u5b66\u8005<\/a>\uff0c\u624d\u80fd\u5728\u65e0\u8fb9\u7684\u77e5\u8bc6\u6d77\u6d0b\u91cc\u730e\u53d6\u5230\u771f\u667a\u624d\u5b66\uff0c\u53ea\u6709\u771f\u6b63\u52e4\u594b\u7684\u4eba\u624d\u80fd\u514b\u670d\u56f0\u96be\uff0c\u6301\u4e4b\u4ee5\u6052\uff0c\u4e0d\u65ad\u5f00\u62d3\u77e5\u8bc6\u7684\u9886\u57df\u3002\u4e0b\u9762\u662f\u5c0f\u7f16\u4e3a\u5927\u5bb6\u6574\u7406\u7684\u5173\u4e8e\u516b\u5e74\u7ea7\u4e0a\u518c\u6570\u5b66\u540c\u6b65\u7ec3\u4e60\u7b54\u6848\uff0c\u5e0c\u671b\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9!<\/p>\n<p style=\"text-indent: 2em; text-align: left;\"><strong>\u521d\u4e8c\u4e0a\u518c\u6570\u5b66\u540c\u6b65\u7ec3\u4e60\u7b54\u6848<\/strong><\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u5e73\u884c\u56db\u8fb9\u5f62\u7684\u5224\u5b9a(\u4e00)<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u4e00\u3001\u9009\u62e9\u9898.1.D2.D<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u4e8c\u3001\u586b\u7a7a\u9898.1.AD=BC(\u7b54\u6848\u4e0d)2.AF=EC(\u7b54\u6848\u4e0d)3.3<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u4e09\u3001\u89e3\u7b54\u9898.1.\u8bc1\u660e\uff1a\u2235DE\u2225BC,EF\u2225AB\u2234\u56db\u8fb9\u5f62DEFB\u662f\u5e73\u884c\u56db\u8fb9\u5f62\u2234DE=BF<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u53c8\u2235F\u662fBC\u7684\u4e2d\u70b9\u2234BF=CF.\u2234DE=CF<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">2.\u8bc1\u660e\uff1a(1)\u2235\u56db\u8fb9\u5f62ABCD\u662f\u5e73\u884c\u56db\u8fb9\u5f62\u2234AB=CD,AB\u2225CDCD\u2225\u2225CDCD\u2234\u2220ABD=\u2220BDC<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u53c8\u2235AE\u22a5BD,CF\u22a5BD\u2234\u22bfABE\u224c\u22bfCDF.<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">(2)\u2235\u22bfABE\u224c\u22bfCDF.\u2234AE=CF\u53c8\u2235AE\u22a5BD,CF\u22a5BD\u2234\u56db\u8fb9\u5f62AECF\u662f\u5e73\u884c\u56db\u8fb9\u5f62<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u5e73\u884c\u56db\u8fb9\u5f62\u7684\u5224\u5b9a(\u4e8c)<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u4e00\u3001\u9009\u62e9\u9898.1.C2.C<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u4e8c\u3001\u586b\u7a7a\u9898.1.\u5e73\u884c\u56db\u8fb9\u5f622.AE=CF(\u7b54\u6848\u4e0d)3.AE=CF(\u7b54\u6848\u4e0d)<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u4e09\u3001\u89e3\u7b54\u9898.1.\u8bc1\u660e\uff1a\u2235\u2220BCA=180\u00b0-\u2220B-\u2220BAC\u2220DAC=180\u00b0-\u2220D-\u2220DCA<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u4e14\u2220B=\u2220D\u2220BAC=\u2220ACD\u2234\u2220BCA=\u2220DAC\u2234\u2220BAD=\u2220BCD<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u2234\u56db\u8fb9\u5f62ABCD\u662f\u5e73\u884c\u56db\u8fb9\u5f62<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">2.\u8bc1\u660e\uff1a\u2235\u56db\u8fb9\u5f62ABCD\u662f\u5e73\u884c\u56db\u8fb9\u5f62\u2234AO=CO\uff0cBO=DO\u53c8\u2235E\u3001F\u3001G\u3001H\u5206\u522b\u4e3aAO\u3001BO\u3001CO\u3001DO\u7684\u4e2d\u70b9\u2234OE=OG\uff0cOF=OH\u2234\u56db\u8fb9\u5f62EFGH\u662f\u5e73\u884c\u56db\u8fb9\u5f62<\/p>\n<p style=\"text-indent: 2em; text-align: left;\"><strong>\u516b\u5e74\u7ea7\u4e0a\u518c\u6570\u5b66\u7ec3\u4e60\u7b54\u6848<\/strong><\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u83f1\u5f62\u7684\u5224\u5b9a<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u4e00\u3001\u9009\u62e9\u98981.A2.A<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u4e8c\u3001\u586b\u7a7a\u98981.AB=AD(\u7b54\u6848\u4e0d)2.\u83f1\u5f62<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u4e09\u3001\u89e3\u7b54\u98981.\u8bc1\u660e\uff1a(1)\u2235AB\u2225CD\uff0cCE\u2225AD\u2234\u56db\u8fb9\u5f62AECD\u662f\u5e73\u884c\u56db\u8fb9\u5f62<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u53c8\u2235AC\u5e73\u5206\u2220BAD\u2234\u2220BAC=\u2220DAC\u2235CE\u2225AD\u2234\u2220ECA=\u2220CAD<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u2234\u2220EAC=\u2220ECA\u2234AE=EC\u2234\u56db\u8fb9\u5f62AECD\u662f\u83f1\u5f62<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">(2)\u22bfABC\u662f\u76f4\u89d2\u4e09\u89d2\u5f62\uff0c\u7406\u7531\u662f\uff1a\u2235AE=EC\uff0cE\u662fAB\u7684\u4e2d\u70b9\u2234AE=BE=EC<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u2234\u2220ACB=90\u00b0\u2234\u22bfABC\u662f\u76f4\u89d2\u4e09\u89d2\u5f62<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">2.\u8bc1\u660e\uff1a\u2235DF\u22a5BC\uff0c\u2220B=90\u00b0\uff0c\u2234AB\u2225DF\uff0c\u2235\u2220B=90\u00b0\uff0c\u2220A=60\u00b0\uff0c\u2234\u2220C=30\u00b0\uff0c<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u2235\u2220EDF=\u2220A=60\u00b0\uff0cDF\u22a5BC\uff0c\u2234\u2220EDB=30\u00b0\uff0c\u2234AF\u2225DE\uff0c\u2234\u56db\u8fb9\u5f62AEDF\u662f\u5e73\u884c\u56db\u8fb9\u5f62,\u7531\u6298\u53e0\u53ef\u5f97AE=ED\uff0c\u2234\u56db\u8fb9\u5f62AEDF\u662f\u83f1\u5f62.<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">3.\u8bc1\u660e\uff1a(1)\u5728\u77e9\u5f62ABCD\u4e2d\uff0cBO=DO\uff0cAB\u2225CD\u2234AE\u2225CF\u2234\u2220E=\u2220F<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u53c8\u2235\u2220BOE=\u2220DOF\uff0c\u2234\u22bfBOE\u224c\u22bfDOF.<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">(2)\u5f53EF\u22a5AC\u65f6\uff0c\u4ee5A\u3001E\u3001C\u3001F\u4e3a\u9876\u70b9\u7684\u56db\u8fb9\u5f62\u662f\u83f1\u5f62\u2235\u22bfBOE\u224c\u22bfDOF.<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u2234EO=FO\u5728\u77e9\u5f62ABCD\u4e2d,AO=CO\u2234\u56db\u8fb9\u5f62AECF\u662f\u5e73\u884c\u56db\u8fb9\u5f62\u53c8\u2235EF\u22a5AC\uff0c<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u2234\u56db\u8fb9\u5f62AECF\u662f\u83f1\u5f62<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u7b49\u8170\u68af\u5f62\u7684\u5224\u5b9a<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u4e00\u3001\u9009\u62e9\u98981.B2.D<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u4e8c\u3001\u586b\u7a7a\u98981.\u7b49\u8170\u68af\u5f622.43.\u2462,\u2463<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u4e09\u3001\u89e3\u7b54\u98981.\u8bc1\u660e\uff1a\u2235AB=AC\u2234\u2220ABC=\u2220ACB\u53c8\u2235BD\u22a5AC\uff0cCE\u22a5AB\uff0c<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">BC=BC\u2234\u22bfBCE\u224c\u22bfCBD\u2234EB=CD\u2234AE=AD\u2234\u2220AED=\u2220ADB<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u2235\u2220A+\u2220AED+\u2220ADE=\u2220A+\u2220ABC+\u2220ACB\u2234\u2220AED=\u2220ABC\u2234DE\u2225BC<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u2234\u56db\u8fb9\u5f62BCDE\u662f\u7b49\u8170\u68af\u5f62.<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">2.\u8bc1\u660e\uff1a\u5728\u83f1\u5f62ABCD\u4e2d\uff0c\u2220CAB=\u2220DAB=30\u00b0\uff0cAD=BC,\u2235CE\u22a5AC,<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u2234\u2220E=60\u00b0,\u53c8\u2235DA\u2225BC,\u2234\u2220CBE=\u2220DAB=60\u00b0\u2234CB=CE,\u2234AD=CE,<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u2234\u56db\u8fb9\u5f62AECD\u662f\u7b49\u8170\u68af\u5f62.<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">3.\u5728\u7b49\u8170\u68af\u5f62ABCD\u4e2d,AD\u2225BC,\u2234\u2220B=\u2220BCD,\u2235GE\u2225DC,\u2234\u2220GEB=\u2220BCD,<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u2234\u2220B=\u2220GEB,\u2234BG=EG,\u53c8\u2235GE\u2225DC,\u2234\u2220EGF=\u2220H,\u2235EF=FC,\u2220EFG=\u2220CFH,\u2234\u22bfGEF\u224c\u22bfHCF,\u2234EG=CH,\u2234BG=CH.<\/p>\n<p style=\"text-indent: 2em; text-align: left;\"><strong>\u6570\u5b668\u5e74\u7ea7\u4e0a\u518c\u7ec3\u4e60\u518c\u7b54\u6848<\/strong><\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u5c3a\u89c4\u4f5c\u56fe(\u4e00)<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u4e00\u3001\u9009\u62e9\u9898.1.C2.A<\/p>\n<p style=\"text-indent: 2em; text-align: left;\">\u4e8c\u3001\u586b\u7a7a\u9898.1.\u5706\u89c4,\u6ca1\u6709\u523b\u5ea6\u7684\u76f4\u5c3a2.\u7b2c\u4e00\u6b65\uff1a\u753b\u5c04\u7ebfAB;\u7b2c\u4e8c\u6b65\uff1a\u4ee5A\u4e3a\u5706\u5fc3\uff0cMN\u957f\u4e3a\u534a\u5f84\u4f5c\u5f27\uff0c\u4ea4AB\u4e8e\u70b9C<\/p>\n<p style=\"text-indent: 2em; 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