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数学竞赛梅涅劳斯定理，从入门到精通，只需6个字！|自主招生
数学竞赛＆强基计划＆自主招生12/43
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App09:43![[数学竞赛]多边形中的梅涅劳斯定理，顶分分顶转一圈，牢记口诀哦](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/78b77d59bcf2427d8afddd708040baa5~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202406300106107A31E7E66DE99CC3598A&requestFrom=704&version_code=80402&x-expires=1751216771&x-signature=6ukfFPsheOT4lmBISeiFxBvtkQA%3D)
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App04:08![[数学竞赛]边元塞瓦定理的证明及运用](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/5c7bc75d2e1644f1b5b70abd7b17c9ca~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202406300106107A31E7E66DE99CC3598A&requestFrom=704&version_code=80402&x-expires=1751216771&x-signature=A9A8dZI5zcYJSym2%2BQGCGskY9r0%3D)
App09:02![[数学竞赛]角元塞瓦定理如何证明？其实很简单哦](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/dc1d32ddf8904ebcbb8697c5fc645e23~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202406300106107A31E7E66DE99CC3598A&requestFrom=704&version_code=80402&x-expires=1751216771&x-signature=yKGZI5Uh5BwfiJIt41UVY6%2FjyV0%3D)
App06:06![[强基计划＆自主招生]伯努利不等式的证明及应用，巧用放缩](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/e73f7263a8214f8cbc80514392d7fd40~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202406300106107A31E7E66DE99CC3598A&requestFrom=704&version_code=80402&x-expires=1751216771&x-signature=iTJ6wqggAakyHzRje7Gr7f%2F9uhw%3D)
App11:31![[数学竞赛]塞瓦定理在圆中的形式](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/35b72d077f6c42d68b2282fba498e9af~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202406300106107A31E7E66DE99CC3598A&requestFrom=704&version_code=80402&x-expires=1751216771&x-signature=exsIfy2Taec7Z72KUoAXGOcqRnU%3D)
App06:12![[托勒密定理]的证明及应用，居然能证四点共圆？|数学竞赛](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/a6c4a2adda16409896d8dcfa47adb0b3~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202406300106107A31E7E66DE99CC3598A&requestFrom=704&version_code=80402&x-expires=1751216771&x-signature=suQMMGTY8QQD3WoRBpD0xdXF70Q%3D)
App11:45![[数学竞赛]托勒密不等式是什么？(附第三种解法)](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/b04b74c129c14370b643edb8632c5274~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202406300106107A31E7E66DE99CC3598A&requestFrom=704&version_code=80402&x-expires=1751216771&x-signature=ByD7Vit9EoLqQfSmGLKoIK4ZQQk%3D)
App07:43![[数学竞赛]4元线性方程组问题，高等数学VS初等数学](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/9d6dcf00f44a4ba0bb820b86435eb9b4~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202406300106107A31E7E66DE99CC3598A&requestFrom=704&version_code=80402&x-expires=1751216771&x-signature=Qwsyt8pIEQChJiSUDu8hJ%2B4F2oY%3D)
App06:53![[数学竞赛]轮换对称思想解一次方程，三种方法，妙啊！](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/80a77f1f3ddd4d14835f71aab933f2c5~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202406300106107A31E7E66DE99CC3598A&requestFrom=704&version_code=80402&x-expires=1751216771&x-signature=yVqopssD%2FdopPgvACk%2BIHw4KZU0%3D)
App08:18![[数学竞赛]n元均值不等式，自招神技，数竞利器](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/5c39c4cbf73841dba56bda310a10d612~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202406300106107A31E7E66DE99CC3598A&requestFrom=704&version_code=80402&x-expires=1751216771&x-signature=ARFkGdNRCL59Z93v0Wow0TSurng%3D)
App14:11![[数学竞赛]柯西不等式+点面距公式，求x²+y²+z²的最小值](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/88cce65910214af88b94587085adb5ba~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202406300106107A31E7E66DE99CC3598A&requestFrom=704&version_code=80402&x-expires=1751216771&x-signature=CihcqKdX3fbx6OaMgWnDh4v0J8w%3D)
App08:04![[北大自主招生]反函数的概念：指数函数与对数函数](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/641562bcb49b4b3989bc6695add4f010~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202406300106107A31E7E66DE99CC3598A&requestFrom=704&version_code=80402&x-expires=1751216771&x-signature=PDtLQL4GkHj9o9%2BWGvBOhRBCXTY%3D)
App11:49![[数学竞赛]斯特瓦尔特定理，秒解数学联赛试题](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/4db7938d406c4a3abafb55c240ed8b06~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202406300106107A31E7E66DE99CC3598A&requestFrom=704&version_code=80402&x-expires=1751216771&x-signature=uc64Lz%2Fv60jMPEfAjheIRMZfC0Y%3D)
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App14:12![奥贝尔定理：证明正方形中心连线EG⊥FH且EG=FH[数学竞赛]](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/b216f2e02f7f49cab00148c348e38cbd~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202406300106107A31E7E66DE99CC3598A&requestFrom=704&version_code=80402&x-expires=1751216771&x-signature=a9UfRFqmG2zOXmzdi8gefXod3AQ%3D)
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