打开App
360P
[圆锥曲线7]抛物线的定义＆抛物线方程
平面解析几何20/20
![[高中数学]定比分点定理，距离公式，中点公式](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/03c0239577994cfaa0edbf61b9f96c84~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=20250210215217AD63BACE6138469564D4&requestFrom=704&version_code=80402&x-expires=1770731538&x-signature=RtyrEXFqouYYHwSTtRnI8uvdNoI%3D)
App13:41
App09:21![[高中数学]直线倾斜角、斜率，为什么直线垂直k1·k2=-1？](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/b22359079e94487b81fad02110643e8a~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=20250210215217AD63BACE6138469564D4&requestFrom=704&version_code=80402&x-expires=1770731538&x-signature=1p4aiFil6X3X385%2F8ysX4XtGKVs%3D)
App21:18![[高中数学]直线方程的7种形式](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/6a0728000d46498590fd9fa4f59415f6~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=20250210215217AD63BACE6138469564D4&requestFrom=704&version_code=80402&x-expires=1770731538&x-signature=niVUWFqMFdP5oSMxteOCuFN9cDs%3D)
App22:54
App12:32![[高中数学]直线系方程，这样理解简单极了！](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/f918eae7722d4d24a7733fb8cc13fdc3~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=20250210215217AD63BACE6138469564D4&requestFrom=704&version_code=80402&x-expires=1770731538&x-signature=i7TDqyMUo9m3AGCuXwbVrpQeciw%3D)
App13:01
App22:31![[数学竞赛]直线的法线式方程](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/78f8a08c9c3b405582a17cf8703f814f~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=20250210215217AD63BACE6138469564D4&requestFrom=704&version_code=80402&x-expires=1770731538&x-signature=TgT2yR8hbMkEOaN6%2BHDtAe1qib4%3D)
App11:05![[高考数学]如何快速求圆的切线方程，90%的高考题都这样！](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/cd5b293d40004185b71ba42653bf2b4f~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=20250210215217AD63BACE6138469564D4&requestFrom=704&version_code=80402&x-expires=1770731538&x-signature=58Gvn4TC2ckizDBhOhiB4uzxo74%3D)
App13:03
App13:39![[圆锥曲线1]椭圆的标准方程＆椭圆两种定义](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/1e2f0a4eed204d2fb9771aeadaac4016~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=20250210215217AD63BACE6138469564D4&requestFrom=704&version_code=80402&x-expires=1770731538&x-signature=HYvP9cY8xXTNLIRh3PNzJjustNs%3D)
App13:08![[圆锥曲线2]椭圆第二定义＆椭圆基本性质、基本量](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/0f2cd5e7b84d4acbad6b20e062476387~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=20250210215217AD63BACE6138469564D4&requestFrom=704&version_code=80402&x-expires=1770731538&x-signature=VlRW4vxQ%2Bg8lr7SQlecbdpFngQI%3D)
App17:31![[圆锥曲线3]椭圆第三定义及其推广](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/dadde0cca26f4095879d44aa65a3983d~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=20250210215217AD63BACE6138469564D4&requestFrom=704&version_code=80402&x-expires=1770731538&x-signature=NZ7PfeQi6gckxsRKDoMbYReXSro%3D)
App13:05![[圆锥曲线4]双曲线的第一定义和基本性质](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/82c78ab294a9464b81aef7228537df33~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=20250210215217AD63BACE6138469564D4&requestFrom=704&version_code=80402&x-expires=1770731538&x-signature=DY9Ti8cvE6kvGY0JewTBMw8Pne8%3D)
App23:26![[圆锥曲线5]双曲线第二、第三定义](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/e8c3375823764f13b4cf4f8bf56b2447~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=20250210215217AD63BACE6138469564D4&requestFrom=704&version_code=80402&x-expires=1770731538&x-signature=1La8pfs18j3VYLXVRGjEtsZdzps%3D)
App09:59![[圆锥曲线6]椭圆的中点弦问题，你会几种方法？](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/1a2e19a919544c3b8441f30b4a8d79cc~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=20250210215217AD63BACE6138469564D4&requestFrom=704&version_code=80402&x-expires=1770731538&x-signature=Rd13QgzJCixGsnaOpCIfS9yuz%2FM%3D)
App13:30![[高中数学]一道好题，直线方程、均值不等式、初等数论都考了！](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/f3bcceb999d54cb598e66076d9b398b4~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=20250210215217AD63BACE6138469564D4&requestFrom=704&version_code=80402&x-expires=1770731538&x-signature=O0TMZVZSGe4vLEdF%2Frr3dAyPg50%3D)
App14:54![[高考数学]圆锥曲线最强解题技巧：90°→直线过定点](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/a7608ffb29a943e09279aee899c0f383~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=20250210215217AD63BACE6138469564D4&requestFrom=704&version_code=80402&x-expires=1770731538&x-signature=%2B4lggBYnZX0ufl6P7ygEZ%2BIdJqM%3D)
App16:54
App15:04![[圆锥曲线7]抛物线的定义＆抛物线方程](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/2c4143f2ac3147899aade8a43a66fa54~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=20250210215217AD63BACE6138469564D4&requestFrom=704&version_code=80402&x-expires=1770731538&x-signature=JH30oW1mF4Q9HIQZfrP60eCv%2F4k%3D)
App13:44打开App观看
App13:41App09:21App21:18App22:54App12:32App13:01App22:31App11:05App13:03App13:39App13:08App17:31App13:05App23:26App09:59App13:30App14:54App16:54App15:04App13:44
