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【立几-翻折】高考2017第16题翻折问题设元技巧导数法求最值
【立几】高考2017第16题翻折问题设元技巧导数法求最值
02导数典例剖析33/104
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App07:48![[导数]构造 反证递进论证](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/c03b175df726401cae974bac923ef978~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=202412170852339A075A167E352DB4B23D&requestFrom=704&version_code=80402&x-expires=1765932753&x-signature=l%2F1qx602QG37GFnpubdh7bpeS1g%3D)
App05:32![[导数]换元 同构证明不等式](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/c68499cd93214afabd2b2ffe3aa3fb87~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=202412170852339A075A167E352DB4B23D&requestFrom=704&version_code=80402&x-expires=1765932753&x-signature=PEk7t1yT7tqMETZ9qku7J4q%2BHQ0%3D)
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App06:41![[导数]一值定乾坤 ?巧合 ? 欢迎留言](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/974fa81e96c44df2a17ccccb0ffdac81~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=202412170852339A075A167E352DB4B23D&requestFrom=704&version_code=80402&x-expires=1765932753&x-signature=xqGpB3otAvgDsjFNg%2FGPZnKu0kM%3D)
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App07:01![[导数]先取特殊值再证明一般情况](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/3e86d42c3f6f4af0934f4cd0bd57bb0c~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=202412170852339A075A167E352DB4B23D&requestFrom=704&version_code=80402&x-expires=1765932753&x-signature=qeVk3DqOThCOxc1iUCjXLs7YC7s%3D)
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App05:27![[导数]同构分离求参数范围](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/c063ab34b12d4dff9cb7d6e88d1b1128~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=202412170852339A075A167E352DB4B23D&requestFrom=704&version_code=80402&x-expires=1765932753&x-signature=zM7xcsQJlbZlxXq2bx%2FyPVOeodU%3D)
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