打开App
360P
初中数学经典几何模型“一线三垂直”帮你秒算答案
一线三垂直模型虽迟但到
初中数学合集25/128
App03:18
App11:02
App09:27
App06:32
App08:19
App14:08
App03:51
App13:37
App06:17
App06:06
App09:13
App02:40
App14:38
App04:01
App10:04
App07:31
App12:12![[初中数学]定弦定角？截长补短？三线共点？四点共圆？有趣有趣](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/5e150fadc10c419983ebed1e5aae6afb~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=20240622041646EB4BB7C96FC8EE7D1894&requestFrom=704&version_code=80402&x-expires=1750537006&x-signature=gQNNz%2Fbx5Mqmpzo1PX46295Fr1w%3D)
App10:58
App09:42
App06:44![[初中数学]双动点+费马点问题：求PA+PB+PE最小值](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/3a3ec9a64dff4192962576d44c0bfe0f~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=20240622041646EB4BB7C96FC8EE7D1894&requestFrom=704&version_code=80402&x-expires=1750537006&x-signature=IokJV48Obvwb%2FqpH5vw%2ByH7SSvE%3D)
App05:38
App13:16![[初中数学]三角形的三条中线为什么交于一点，三角形重心问题](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/e72d1d1b61fb45a5a771e8eda80706af~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=20240622041646EB4BB7C96FC8EE7D1894&requestFrom=704&version_code=80402&x-expires=1750537006&x-signature=LQOMlCtxYag2ImvJmZrHMsT28aQ%3D)
App06:44![[初中数学]“定弦定角”+平行四边形，作完辅助线一目了然！](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/b7621026d7484fc38e24fa9b303f12c4~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=20240622041646EB4BB7C96FC8EE7D1894&requestFrom=704&version_code=80402&x-expires=1750537006&x-signature=ndubKDXE7VkSps4LLDR7rriV76Y%3D)
App05:09![[初中数学]那道瓜豆原理的题目居然可以用手拉手模型秒杀](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/19317f22f98c476e935fedcb5458018e~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=20240622041646EB4BB7C96FC8EE7D1894&requestFrom=704&version_code=80402&x-expires=1750537006&x-signature=nW2idLB0B%2BIj1lHId40RFT1o1ko%3D)
App05:10![[初中数学]四点共圆+角平分线，这道题这样做感觉好极了！](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/232d744684bb4116a6132d804c1f059c~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=20240622041646EB4BB7C96FC8EE7D1894&requestFrom=704&version_code=80402&x-expires=1750537006&x-signature=f0ql1v4YCHjc9Si1hq9aIR5uqUI%3D)
App08:27![[中考数学]平面几何''胖瘦模型''，辅助线很重要！](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/260e312ede754f5386716dc18d1ca8f9~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=20240622041646EB4BB7C96FC8EE7D1894&requestFrom=704&version_code=80402&x-expires=1750537006&x-signature=hAD0XQoKZyfuOgOSQ2kqoEOzg3Q%3D)
App10:49![[初中数学]坐标系中的瓜豆原理——旋转相似很重要](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/951bf6d3f0a140229b1766a0a2b48f90~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=20240622041646EB4BB7C96FC8EE7D1894&requestFrom=704&version_code=80402&x-expires=1750537006&x-signature=uucnA9tj9Vp3pu7GIjWI626%2BDNo%3D)
App09:51![[初中数学]四点共圆都会了，九点共圆还远吗？](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/e93acc6cb59e4a8ca3bd0dce45350d78~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=20240622041646EB4BB7C96FC8EE7D1894&requestFrom=704&version_code=80402&x-expires=1750537006&x-signature=ofoGT6mycSJwQ8kLGnXlOIn6tqY%3D)
App07:33![[初中数学]平面几何建系法VS纯几何法，选哪个？](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/b2b066d648b84fd0bd7b34bb4bcc634a~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=20240622041646EB4BB7C96FC8EE7D1894&requestFrom=704&version_code=80402&x-expires=1750537006&x-signature=aQ7tsGy8obbc3F%2Bid4E9Ta8aNTQ%3D)
App14:25![[初中数学]最小值求多了，来求一下线段最大值吧](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/a3bb87c498e64f4f99bb9389a95e6d41~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=20240622041646EB4BB7C96FC8EE7D1894&requestFrom=704&version_code=80402&x-expires=1750537006&x-signature=cg5Cj4jyPNf6YpFVdNJ5tfsHR38%3D)
App05:10
