打开App
360P
初中数学最经典的“手拉手”模型，两个必须掌握的结论，你都会吗
初中数学最经典的”手拉手“模型，千万别转晕了，两个必须掌握的结论
初中数学合集34/138
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&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=a%2FzXtoeh2AjEVlMOr%2F4WyrxcC68%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&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=tjFIxcIL9Z2nWO30hd0fayP9W5E%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&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=4lSjijj9vXYqj%2FZac%2Fj2FgK1IlA%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&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=%2BYhqBk%2FF6PaR9%2Frw4atwlvrLAVA%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&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=B6CmcSNvdygNKqEeq43N6evCZHo%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&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=dkmV66XcR7akN4uDR4rvyDqKUig%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&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=rYSuY9tRFutfBQXZkoM15YgWGMA%3D)
App10:49![[初中数学]坐标系中的瓜豆原理——旋转相似很重要](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/951bf6d3f0a140229b1766a0a2b48f90~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=JWpuNwbgg9g%2Bj35hlBuhfwAxohY%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&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=pY6lcovx8lrGA6e64ZLZSDL9BXs%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&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=%2FCfIzG3ajLyl2M9XXdT5lxFC4Dg%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&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=Vw5n7Hq6lUN4h7tSypxSwyWMh%2FA%3D)
App05:10![[初中数学]求k·PA+PB+PC的最小值，加权费马点问题](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/89b3edd73d3342e3ac963769651a37f3~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=qWpJUVtvayPzNTXc5TthOMgcyVs%3D)
App06:53![[初中数学]圆周角定理中的2倍关系怎么证明？](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/2053807c1e094d90b551c7967a4d8b9e~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=QACp9zCCZY8P96Jq1fE9YzjAHTg%3D)
App06:50![[初中数学]费马点难题警告：求3PA+4PB+5PC最小值](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/534a32ebd98c437f9144e9bf2c93d221~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=Vfged67xrSJR0YqYZnFYqXHNQoo%3D)
App09:53![[初中数学]全军覆没的一道最值问题，构造将军饮马很重要！](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/5619ac96344145d9a22aff820dee75ed~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=NSq0bSzwNDnK5E43G%2FgzJ3%2FGArE%3D)
App10:08![[初中数学]垂径定理的正确打开方式，中考、高考中怎么用](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/2a75c80c7b5340a3a4d4b10fde34654c~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=YNztsDAYxpE5GOuL8ryNSmNTfdc%3D)
App11:30![[初中数学]布罗卡尔点——等腰＋相似，原来如此，相似三角形](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/71a24bd5cb8049f299d8faaeb12a4767~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=8Aei%2FcA4YHqEMQzCLq8Yf86Ilys%3D)
App03:31![[初中数学]加权费马点问题，为什么系数是勾股数，直击本质](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/9fe1d634810c4e70a62a7870546bd93c~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=CXFVq8FPBueH%2FHeaOX2nzTpWsCs%3D)
App08:40![[初中数学]瓜豆原理逆运用，纯几何法解最值问题，你学废了吗？](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/93247b5a344d4f759991a1c5f6ca4dc8~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=y%2BhZpIWs16BurB8PwgMVzDUUYls%3D)
App12:36![[初中数学]平面几何辅助线怎么作？寻找题干中的蛛丝马迹](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/a69424ac6bfb4c158110b3ba46f3e585~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=2025012621392645C304E619404C8F1D29&requestFrom=704&version_code=80402&x-expires=1769434767&x-signature=LE2LC%2BQw8I5CKOiL%2FjiNQo3ZOsU%3D)
App08:28打开App观看
