Chrome，
QQ浏览器
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播放：23 时间：2024-06-19简介： -
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![[圆锥曲线1]椭圆的标准方程＆椭圆两种定义](//imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F67c70d1fe12b30529fb0c18cfb3aaa213c126713.jpg%40672w_378h_1c_%21web-search-common-cover)
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![[圆锥曲线1]椭圆的标准方程＆椭圆两种定义](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F67c70d1fe12b30529fb0c18cfb3aaa213c126713.jpg%40672w_378h_1c_%21web-search-common-cover)
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