{"id":159,"date":"2024-01-04T12:04:57","date_gmt":"2024-01-04T04:04:57","guid":{"rendered":"https:\/\/big-tan.top\/?p=159"},"modified":"2024-01-08T11:12:22","modified_gmt":"2024-01-08T03:12:22","slug":"%e5%a6%82%e4%bd%95%e7%90%86%e8%a7%a3%e3%80%8c%e6%a2%85%e6%b6%85%e5%8a%b3%e6%96%af%e5%ae%9a%e7%90%86%e3%80%8d%e5%92%8c%e3%80%8c%e5%a1%9e%e7%93%a6%e5%ae%9a%e7%90%86%e3%80%8d","status":"publish","type":"post","link":"https:\/\/itantan.eu.org\/?p=159","title":{"rendered":"\u5982\u4f55\u7406\u89e3\u300c\u6885\u6d85\u52b3\u65af\u5b9a\u7406\u300d\u548c\u300c\u585e\u74e6\u5b9a\u7406\u300d"},"content":{"rendered":"\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-c88fa74 stk-block-background\" data-block-id=\"c88fa74\"><style>.stk-c88fa74{background-color:#F6F6F6 !important;border-top-left-radius:18px !important;border-top-right-radius:18px !important;border-bottom-right-radius:18px !important;border-bottom-left-radius:18px !important;overflow:hidden !important;border-style:solid !important}.stk-c88fa74:before{background-color:#F6F6F6 !important}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-c88fa74-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-a751aea\" data-v=\"4\" data-block-id=\"a751aea\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-a751aea-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-a751aea-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-adf2848\" data-block-id=\"adf2848\"><style>.stk-adf2848 .stk-block-text__text{color:#cf2e2e !important}<\/style><p class=\"stk-block-text__text has-text-color\">\u2003\u2003<strong>\u4f60\u4ece\u6765\u6ca1\u6709\u5bf9\u8fd9\u4e9b\u73b0\u8c61\u597d\u5947\u8fc7\u5417\uff1f<\/strong><br>\u2003\u2003\u4e3a\u4ec0\u4e48\u4e09\u89d2\u5f62\u4e09\u6761\u4e2d\u7ebf\u8fc7\u540c\u4e00\u70b9\uff1f<br>\u2003\u2003\u4e3a\u4ec0\u4e48\u4e09\u89d2\u5f62\u4e09\u6761\u9ad8\u7ebf\u8fc7\u540c\u4e00\u70b9\uff1f<br>\u2003\u2003\u4e3a\u4ec0\u4e48\u4e09\u89d2\u5f62\u4e09\u6761\u89d2\u5e73\u5206\u7ebf\u8fc7\u540c\u4e00\u70b9\uff1f<br>\u2003\u2003\u4e3a\u4ec0\u4e48\u4e09\u89d2\u5f62\u5782\u76f4\u5e73\u5206\u7ebf\u8fc7\u540c\u4e00\u70b9\uff1f<br>\u2003\u2003\u8fd9\u5c31\u9700\u8981\u7528\u5230\u4e24\u4e2a\u8457\u540d\u7684\u5b9a\u7406\uff0c<strong>\u6885\u6d85\u52b3\u65af\u5b9a\u7406<\/strong>\u548c<strong>\u585e\u74e6\u5b9a\u7406<\/strong>\u3002\u5728\u5e73\u9762\u51e0\u4f55\u4e2d\uff0c\u8fd9\u4e24\u4e2a\u5b9a\u7406\u7684\u5730\u4f4d\u53ef\u4ee5\u8bf4\u4e3e\u8db3\u8f7b\u91cd\uff0c\u5e94\u7528\u5e7f\u6cdb\u3002<\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-327ab67 stk-block-background\" data-block-id=\"327ab67\"><style>.stk-327ab67{background-color:#F6F6F6 !important;border-top-left-radius:18px !important;border-top-right-radius:18px !important;border-bottom-right-radius:18px !important;border-bottom-left-radius:18px !important;border-style:dashed !important;overflow:auto !important}.stk-327ab67:before{background-color:#F6F6F6 !important}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-327ab67-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-0ff764b\" data-v=\"4\" data-block-id=\"0ff764b\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-0ff764b-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-0ff764b-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-33bb703\" data-block-id=\"33bb703\"><style>.stk-33bb703{overflow:auto !important}<\/style><p class=\"stk-block-text__text\"><strong>\u6885\u6d85\u52b3\u65af\u5b9a\u7406\uff08Menelaus&#8217; theorem\uff09<\/strong><br>\u2003\u2003\u6885\u6d85\u52b3\u65af\uff08Menelaus\uff0c\u516c\u514398\u5e74\u5de6\u53f3\uff09\uff0c\u662f\u5e0c\u814a\u6570\u5b66\u5bb6\u548c\u5929\u6587\u5b66\u5bb6\uff0c\u5927\u7ea6\u751f\u6d3b\u5728\u6211\u56fd\u4e1c\u6c49\u5e74\u95f4\u3002\u6885\u6d85\u52b3\u65af\u5b9a\u7406\u662f\u5e73\u9762\u51e0\u4f55\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u5b9a\u7406\uff0c\u8fd9\u4e2a\u5b9a\u7406\u5f88\u65e9\u5c31\u88ab\u8bc1\u660e\u8fc7\u4e86\u3002<br>\u2003\u2003\u8fc7\u4e09\u89d2\u5f62\u4e00\u8fb9\u4e0a\u7684\u70b9\u505a\u4e00\u76f4\u7ebf\uff0c\u5206\u522b\u4e0e\u5176\u4f59\u4e24\u8fb9\u6216\u5176\u5ef6\u957f\u7ebf\u6240\u622a\uff0c\u5219\u6ee1\u8db3\u4e00\u4e0b\u5173\u7cfb\uff1a<br>$\\displaystyle \\frac{AF}{FB}\\cdot\\frac{BD}{DC}\\cdot\\frac{CE}{EA}=1$<\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-973afc6\" data-v=\"4\" data-block-id=\"973afc6\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-973afc6-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-973afc6-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-480c2ac\" data-block-id=\"480c2ac\"><style>.stk-480c2ac{overflow:auto !important}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-318\" src=\"https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Menelaus-theorem.jpg\" width=\"1085\" height=\"591\" srcset=\"https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Menelaus-theorem.jpg 1085w, https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Menelaus-theorem-300x163.jpg 300w, https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Menelaus-theorem-1024x558.jpg 1024w, https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Menelaus-theorem-768x418.jpg 768w\" sizes=\"auto, (max-width: 1085px) 100vw, 1085px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-2b09bb4 stk-block-background\" data-block-id=\"2b09bb4\"><style>.stk-2b09bb4{background-color:#F6F6F6 !important;border-top-left-radius:18px !important;border-top-right-radius:18px !important;border-bottom-right-radius:18px !important;border-bottom-left-radius:18px !important;border-style:dashed !important;overflow:auto !important}.stk-2b09bb4:before{background-color:#F6F6F6 !important}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-2b09bb4-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-0c1abee\" data-v=\"4\" data-block-id=\"0c1abee\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-0c1abee-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-0c1abee-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-4fd1181\" data-block-id=\"4fd1181\"><style>.stk-4fd1181{overflow:auto !important}<\/style><p class=\"stk-block-text__text\"><strong>\u585e\u74e6\u5b9a\u7406\uff08Ceva&#8217;s theorem\uff09<\/strong><br>\u2003\u2003\u585e\u74e6\uff08G\u00b7Ceva\uff0c1647-1734\uff09\u662f\u610f\u5927\u5229\u7684\u6570\u5b66\u5bb6\u548c\u6c34\u5229\u5de5\u7a0b\u5e08\uff0c\u4ed6\u57281678\u5e74\uff08\u6211\u56fd\u6e05\u671d\u5eb7\u719917\u5e74\uff09\u53d1\u8868\u4e86\u4e00\u4e2a\u8457\u540d\u7684\u5b9a\u7406\uff0c\u540e\u4e16\u4ee5\u4ed6\u7684\u540d\u5b57\u6765\u547d\u540d\uff0c\u53eb\u505a\u585e\u74e6\u5b9a\u7406\u3002\u8fde\u7ed3\u4e09\u89d2\u5f62\u4e00\u4e2a\u9876\u70b9\u548c\u5bf9\u8fb9\u4e0a\u4e00\u70b9\u7684\u7ebf\u6bb5\u53eb\u505a\u8fd9\u4e2a\u4e09\u89d2\u5f62\u7684\u4e00\u6761\u585e\u74e6\u7ebf\u3002<br>\u2003\u2003\u4e09\u89d2\u5f62\u5185\u4e09\u7ebf\u4ea4\u4e8e\u4e00\u70b9\uff0c\u5219\u6709\u4ee5\u4e0b\u5173\u7cfb\uff1a<br>$\\displaystyle \\frac{AF}{FB}\\cdot\\frac{BD}{DC}\\cdot\\frac{CE}{EA}=1$<\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-1c41c7a\" data-v=\"4\" data-block-id=\"1c41c7a\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-1c41c7a-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-1c41c7a-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-a9f71fc\" data-block-id=\"a9f71fc\"><style>.stk-a9f71fc{overflow:auto !important}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-317\" src=\"https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Ceva-theorem.jpg\" width=\"985\" height=\"579\" srcset=\"https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Ceva-theorem.jpg 985w, https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Ceva-theorem-300x176.jpg 300w, https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Ceva-theorem-768x451.jpg 768w\" sizes=\"auto, (max-width: 985px) 100vw, 985px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-c05266b stk-block-background\" data-block-id=\"c05266b\"><style>.stk-c05266b{background-color:#F6F6F6 !important;border-top-left-radius:18px !important;border-top-right-radius:18px !important;border-bottom-right-radius:18px !important;border-bottom-left-radius:18px !important;overflow:hidden !important;border-style:dashed !important}.stk-c05266b:before{background-color:#F6F6F6 !important}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-c05266b-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-bcb4eae\" data-v=\"4\" data-block-id=\"bcb4eae\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-bcb4eae-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-bcb4eae-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-4e42611\" data-block-id=\"4e42611\"><p class=\"stk-block-text__text\">\u2003\u2003\u5b9e\u9645\u4e0a\u8fd9\u4e24\u4e2a\u5b9a\u7406\u4e92\u4e3a\u300c\u5bf9\u5076\u5b9a\u7406\u300d\uff0c\u5373\u53ea\u8981\u8bc1\u660e\u5176\u4e2d\u4e00\u4e2a\uff0c\u53e6\u4e00\u4e2a\u81ea\u7136\u6210\u7acb\u3002\u8fd9\u662f\u56e0\u4e3a\u5728\u5c04\u5f71\u5e73\u9762\u4e2d\uff0c\u786e\u5b9a\u4e00\u6761\u76f4\u7ebf\u548c\u786e\u5b9a\u4e00\u4e2a\u70b9\uff0c\u90fd\u9700\u8981\u4e09\u4e2a\u5750\u6807\uff08\u9f50\u6b21\u5750\u6807\uff09\uff0c\u4e8e\u662f<strong>\u9762\u7a7a\u95f4<\/strong>\u4e0e<strong>\u70b9\u7a7a\u95f4<\/strong>\u5f62\u6210\u4e86\u81ea\u7136\u7684<strong>\u540c\u6784<\/strong>\uff0c\u800c\u8fd9\u6837\u7684\u540c\u6784\u6620\u5c04\u4fdd\u6301<strong>\u7ed3\u5408\u6027<\/strong>\u4e0d\u53d8\uff0c\u6240\u8c13\u7ed3\u5408\u6027\uff0c\u5c31\u662f\u6307\u300c\u70b9\u5728\u7ebf\u4e0a\u300d\u3001\u300c\u7ebf\u8fc7\u67d0\u70b9\u300d\u8fd9\u6837\u7684\u7ed3\u5408\u5173\u7cfb\u3002<br>\u2003\u2003\u5bf9\u5076\u56fe\u5f62\u5305\u542b\u4e24\u4e2a\u65b9\u9762\uff1a<br>\u2003\u20031.\u56fe\u5143\u7d20\u4e92\u6362\uff1a\u300c\u70b9\u300d\u4e0e\u300c\u7ebf\u300d\u4e92\u6362\uff1b<br>\u2003\u20032.\u7ed3\u5408\u6027\u4e92\u6362\uff1a\u300c\u5171\u70b9\u300d\u4e0e\u300c\u5171\u7ebf\u300d\u4e92\u6362\u3002<br>\u5b83\u4eec\u4fe9\u7684\u9006\u5b9a\u7406\u4e5f\u662f\u6210\u7acb\u7684\uff0c\u8fd9\u6839\u636e\u4e09\u89d2\u5f62\u7684\u552f\u4e00\u6027\u53ef\u4ee5\u5f97\u5230\u3002<br>\u2003\u2003\u8fd9\u4e24\u4e2a\u5b9a\u7406\u7684\u8bc1\u660e\u5e76\u4e0d\u590d\u6742\uff0c\u53ea\u9700\u8981\u521d\u4e2d\u7684\u51e0\u4f55\u77e5\u8bc6\u8db3\u4ee5\u8bc1\u660e\u8fd9\u4e24\u4e2a\u5b9a\u7406\u3002\u4ee4\u4eba\u8d39\u89e3\u7684\u662f\uff0c\u8fd9\u4e24\u4e2a\u5b9a\u7406\u88ab\u8bc1\u660e\u7684\u65f6\u95f4\u5c45\u7136\u8de8\u8d8a\u4e861500\u591a\u5e74\uff0c\u4e5f\u8bb8\u662f\u540e\u6765\u7684\u6570\u5b66\u5927\u5496\u4eec\u89c9\u5f97\u585e\u74e6\u5b9a\u7406\u5c31\u662f\u6885\u6d85\u52b3\u65af\u5b9a\u7406\u7684\u4e00\u4e2a\u7b49\u4ef7\u53d8\u6362\u65e0\u9700\u518d\u6b21\u8bc1\u660e\u5427\uff1f\u4e92\u8054\u7f51\u4e0a\u53ef\u4ee5\u627e\u5230\u5404\u79cd\u8bc1\u660e\u65b9\u6cd5\uff0c\u5728\u6b64\u4e0d\u8d58\u8ff0\u3002<br>\u2003\u2003\u6211\u56fd\u7684\u6570\u5b66\u5de5\u4f5c\u8005\u5f20\u666f\u4e2d\u9662\u58eb\u5728\u300a\u65b0\u6982\u5ff5\u51e0\u4f55\u300b\u4e2d\u5229\u7528\u300c\u5171\u8fb9\u5b9a\u7406\u300d\u8bc1\u660e\u300c\u6885\u6d85\u52b3\u65af\u5b9a\u7406\u300d\u548c\u300c\u585e\u74e6\u5b9a\u7406\u300d\u7684\u65b9\u6cd5\u72ec\u6811\u4e00\u5e1c\uff0c\u975e\u5e38\u7b80\u6d01\uff0c\u8bc1\u660e\u957f\u5ea6\u5747\u4e3a\u4e00\u884c\uff0c\u800c\u4e14\u5f15\u7406\u672c\u8eab\u4e5f\u662f\u8db3\u591f\u7b80\u660e\u76f4\u89c2\uff0c\u73b0\u7b80\u5355\u4ecb\u7ecd\u5982\u4e0b\uff1a<\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-85da265 stk-block-background\" data-block-id=\"85da265\"><style>.stk-85da265{border-top-left-radius:18px !important;border-top-right-radius:18px !important;border-bottom-right-radius:18px !important;border-bottom-left-radius:18px !important;border-style:dashed !important;margin-bottom:19px !important;overflow:auto !important}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-85da265-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-a9e0bf3\" data-v=\"4\" data-block-id=\"a9e0bf3\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-a9e0bf3-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-a9e0bf3-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-0d2613d stk-block-background\" data-block-id=\"0d2613d\"><style>.stk-0d2613d{background-color:#F6F6F6 !important;overflow:auto !important}.stk-0d2613d:before{background-color:#F6F6F6 !important}.stk-0d2613d .stk-img-wrapper{width:94% !important;height:273px !important}.stk-0d2613d .stk-img-wrapper img{object-fit:contain !important}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-316\" src=\"https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Ceva-Menelaus1-4.jpg\" width=\"720\" height=\"543\" srcset=\"https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Ceva-Menelaus1-4.jpg 720w, https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Ceva-Menelaus1-4-300x226.jpg 300w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-97d023a\" data-v=\"4\" data-block-id=\"97d023a\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-97d023a-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-97d023a-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-fec5226\" data-block-id=\"fec5226\"><style>.stk-fec5226{overflow:auto !important}<\/style><p class=\"stk-block-text__text\"><br>\u2003\u2003<strong>\u5171\u8fb9\u5b9a\u7406<\/strong>\uff1a\u4e24\u4e2a\u4e09\u89d2\u5f62\u5171\u7528\u4e00\u6761\u8fb9\uff08AB\uff09\uff0c\u8fde\u63a5\u975e\u5171\u8fb9\u7684\u9876\u70b9\uff08P\u70b9\u548cQ\u70b9\uff09\uff0c\u4e0e\u5171\u8fb9\u6216\u8005\u5176\u5ef6\u957f\u7ebf\u76f8\u4ea4\u4e8eM\u70b9\uff0c\u5219\u6709\uff1a<br><br>$\\displaystyle \\frac{S_{\\triangle PAB}}{S_{\\triangle QAB}}=\\frac{PM}{QM}$\u3002<br><br>\u2003\u2003\u8be5\u5b9a\u7406\u6709\u56db\u79cd\u60c5\u51b5\uff08\u53c2\u89c1\u5de6\u8fb9\u7684\u51e0\u4f55\u56fe\u5f62\u793a\u4f8b\uff0c\u5f53\u7136PM\u4e0ePA\u6216\u8005PB\u91cd\u5408\u65f6\u53ef\u89c6\u4e3a\u5176\u4e2d\u4e00\u79cd\u60c5\u51b5\u7684\u7279\u4f8b\uff09<\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-78b3314 stk-block-background\" data-block-id=\"78b3314\"><style>.stk-78b3314{background-color:#F6F6F6 !important;border-top-left-radius:18px !important;border-top-right-radius:18px !important;border-bottom-right-radius:18px !important;border-bottom-left-radius:18px !important;overflow:hidden !important;border-style:dashed !important}.stk-78b3314:before{background-color:#F6F6F6 !important}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-78b3314-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-50bd057\" data-v=\"4\" data-block-id=\"50bd057\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-50bd057-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-50bd057-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-eec19cf\" data-block-id=\"eec19cf\"><p class=\"stk-block-text__text\">\u2003\u2003\u5173\u4e8e\u5171\u8fb9\u5b9a\u7406\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e24\u4e2a\u5171\u8fb9\u4e09\u89d2\u5f62\u9762\u79ef\u4e4b\u6bd4\u7b49\u4e8e\u4e24\u4e2a\u9ad8\u4e4b\u6bd4\u4ee5\u53ca\u76f8\u4f3c\u4e09\u89d2\u5f62\u5bf9\u5e94\u8fb9\u6210\u6bd4\u4f8b\u7684\u5b9a\u7406\u8f7b\u677e\u8bc1\u660e\uff0c\u521d\u4e2d\u51e0\u4f55\u77e5\u8bc6\u8db3\u591f\uff0c\u8fd9\u91cc\u4e0d\u518d\u8d58\u8ff0\u3002<strong><em>\u6700\u7cbe\u5f69\u7684\u8bc1\u660e\u5f00\u59cb\u4e86\uff0c\u6839\u636e\u4e0a\u9762\u7684\u4e09\u89d2\u5f62\u5171\u8fb9\u5b9a\u7406\uff0c\u53ef\u4ee5\u8f7b\u677e\u8bc1\u660e\u6885\u6d85\u52b3\u65af\u5b9a\u7406\u548c\u585e\u74e6\u5b9a\u7406\uff0c\u8bc1\u660e\u8fc7\u7a0b\u5c31\u4e00\u884c\uff0c\u975e\u5e38\u7b80\u6d01\uff1a<\/em><\/strong><\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-bed867d stk-block-background\" data-block-id=\"bed867d\"><style>.stk-bed867d{background-color:#F6F6F6 !important;border-top-left-radius:18px !important;border-top-right-radius:18px !important;border-bottom-right-radius:18px !important;border-bottom-left-radius:18px !important;border-style:dashed !important;overflow:auto !important}.stk-bed867d:before{background-color:#F6F6F6 !important}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-bed867d-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-33434b6\" data-v=\"4\" data-block-id=\"33434b6\"><style>@media screen and (min-width:768px){.stk-33434b6{flex:1 1 calc(66.667% - var(--stk-column-gap,0px) * 1 \/ 2 ) !important}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-33434b6-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-33434b6-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-5a422d9\" data-block-id=\"5a422d9\"><style>.stk-5a422d9{overflow:auto !important}<\/style><p class=\"stk-block-text__text\"><strong>\u6885\u6d85\u52b3\u65af\u5b9a\u7406\u8bc1\u660e\uff1a<\/strong><br><br>$\\displaystyle \\frac{AF}{FB}\\cdot\\frac{BD}{DC}\\cdot\\frac{CE}{EA}=\\frac{S_{\\triangle AED}}{S_{\\triangle BED}}\\cdot\\frac{S_{\\triangle BED}}{S_{\\triangle CED}}\\cdot\\frac{S_{\\triangle CED}}{S_{\\triangle AED}}=1$<\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-3521dbf\" data-v=\"4\" data-block-id=\"3521dbf\"><style>@media screen and (min-width:768px){.stk-3521dbf{flex:1 1 calc(33.333% - var(--stk-column-gap,0px) * 1 \/ 2 ) !important}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-3521dbf-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-3521dbf-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-d462012\" data-block-id=\"d462012\"><style>.stk-d462012{overflow:auto !important}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-318\" src=\"https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Menelaus-theorem.jpg\" width=\"1085\" height=\"591\" srcset=\"https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Menelaus-theorem.jpg 1085w, https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Menelaus-theorem-300x163.jpg 300w, https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Menelaus-theorem-1024x558.jpg 1024w, https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Menelaus-theorem-768x418.jpg 768w\" sizes=\"auto, (max-width: 1085px) 100vw, 1085px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-d8f04ca stk-block-background\" data-block-id=\"d8f04ca\"><style>.stk-d8f04ca{background-color:#F6F6F6 !important;border-top-left-radius:18px !important;border-top-right-radius:18px !important;border-bottom-right-radius:18px !important;border-bottom-left-radius:18px !important;border-style:dashed !important;overflow:auto !important}.stk-d8f04ca:before{background-color:#F6F6F6 !important}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-d8f04ca-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-2af8528\" data-v=\"4\" data-block-id=\"2af8528\"><style>@media screen and (min-width:768px){.stk-2af8528{flex:1 1 calc(66.666% - var(--stk-column-gap,0px) * 1 \/ 2 ) !important}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-2af8528-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-2af8528-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-24ff26f\" data-block-id=\"24ff26f\"><style>.stk-24ff26f{overflow:auto !important}<\/style><p class=\"stk-block-text__text\"><strong>\u585e\u74e6\u5b9a\u7406\u8bc1\u660e\uff1a<\/strong><br><br>$\\displaystyle \\frac{AF}{FB}\\cdot\\frac{BD}{DC}\\cdot\\frac{CE}{EA}=\\frac{S_{\\triangle GCA}}{S_{\\triangle GBC}}\\cdot\\frac{S_{\\triangle GAB}}{S_{\\triangle GCA}}\\cdot\\frac{S_{\\triangle GBC}}{S_{\\triangle GAB}}=1$<\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-a2a85c7\" data-v=\"4\" data-block-id=\"a2a85c7\"><style>@media screen and (min-width:768px){.stk-a2a85c7{flex:1 1 calc(33.33400000000002% - var(--stk-column-gap,0px) * 1 \/ 2 ) !important}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-a2a85c7-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-a2a85c7-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-89174bc\" data-block-id=\"89174bc\"><style>.stk-89174bc{overflow:auto !important}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-317\" src=\"https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Ceva-theorem.jpg\" width=\"985\" height=\"579\" srcset=\"https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Ceva-theorem.jpg 985w, https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Ceva-theorem-300x176.jpg 300w, https:\/\/itantan.eu.org\/wp-content\/uploads\/2024\/01\/Ceva-theorem-768x451.jpg 768w\" sizes=\"auto, (max-width: 985px) 100vw, 985px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u2003\u2003\u4f60\u4ece\u6765\u6ca1\u6709\u5bf9\u8fd9\u4e9b\u73b0\u8c61\u597d\u5947\u8fc7\u5417\uff1f\u2003\u2003\u4e3a\u4ec0\u4e48\u4e09\u89d2\u5f62\u4e09\u6761\u4e2d\u7ebf\u8fc7\u540c\u4e00\u70b9\uff1f\u2003\u2003\u4e3a\u4ec0\u4e48\u4e09\u89d2\u5f62\u4e09\u6761\u9ad8\u7ebf\u8fc7\u540c\u4e00\u70b9\uff1f\u2003\u2003\u4e3a\u4ec0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,4],"tags":[],"class_list":["post-159","post","type-post","status-publish","format-standard","hentry","category-3","category-4"],"_links":{"self":[{"href":"https:\/\/itantan.eu.org\/index.php?rest_route=\/wp\/v2\/posts\/159","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itantan.eu.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itantan.eu.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itantan.eu.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itantan.eu.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=159"}],"version-history":[{"count":0,"href":"https:\/\/itantan.eu.org\/index.php?rest_route=\/wp\/v2\/posts\/159\/revisions"}],"wp:attachment":[{"href":"https:\/\/itantan.eu.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itantan.eu.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itantan.eu.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}