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[初三数学07]证明平行线分线段成比例定理？
初三数学同步课堂7/26
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App22:06![二次函数区间最值，中考常客，一节课学会[初三数学05]](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/e4e3fcc8af694b7c8e9646424216aa54~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=20250122130522F78145F26B6F471600B1&requestFrom=704&version_code=80402&x-expires=1769058322&x-signature=yH9JqGqD0Klxm%2Bk6BkLUeElVNfg%3D)
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App25:52![[初三数学07]证明平行线分线段成比例定理？](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/e6f7a68089414682bb33ff45e0e8a561~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=20250122130522F78145F26B6F471600B1&requestFrom=704&version_code=80402&x-expires=1769058322&x-signature=87wRwTa3FgXRiQVmOjwqm9SINMk%3D)
App07:35![[初三数学08]相似三角形的性质和判定](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/df1d5a250ad644e9aae9721355f24124~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=20250122130522F78145F26B6F471600B1&requestFrom=704&version_code=80402&x-expires=1769058322&x-signature=Y6WDWcLdsozVANVE6DmedCxkVPQ%3D)
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App14:51![[中考数学]直击切线的本质：判定＆性质](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/c23dd328319a46a29d01dff538cd9af5~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=20250122130522F78145F26B6F471600B1&requestFrom=704&version_code=80402&x-expires=1769058322&x-signature=RFPTR9tHAKgzCmWwtL6C0c%2BKajQ%3D)
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App16:08![[初三数学]相似三角形＆对称变换，从何入手？](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/c0555d757c044222916562d0d2c77543~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=20250122130522F78145F26B6F471600B1&requestFrom=704&version_code=80402&x-expires=1769058322&x-signature=296KFgXQxF93ugoXCYzWrais8bo%3D)
App16:41![[初中数学]从全等到相似：手拉手模型](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/b0991b1253054c1c9e1b1bdf903d75dd~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=20250122130522F78145F26B6F471600B1&requestFrom=704&version_code=80402&x-expires=1769058322&x-signature=hk9dKmMJs5LVFuq%2FjkVT3Y%2BiZjM%3D)
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