Chrome，
QQ浏览器
-
-
-
-
-
-
![人教A高中数学必修二4.3.1 空间直角坐标系[陈黎妮]【市一等奖】优质课](//imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F0defd866a69d13cf903904da8090013ad8f73241.jpg%40672w_378h_1c_%21web-search-common-cover)
-
-
-
-
-
-
-
-
-
-
-
-
![[基础]高中数学必修第二册 8.4空间点、直线、平面之间的位置关系](//imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F12507671023ad60668659680bcce9346705884c2.jpg%40672w_378h_1c_%21web-search-common-cover)
-
-
-
播放：33 时间：2024-06-19简介： -
-
-
-
-
![人教A高中数学必修二4.2.3 直线与圆的方程的应用[董选民]【市一等奖】优质课](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F7635822c6c1968d0d1122070702c7558bfade906.jpg%40672w_378h_1c_%21web-search-common-cover)
-
播放：26 时间：2024-06-19简介： -
-
-
-
-
-
-
-
-
-
-
-
-
-
-
![人教A高中数学必修二4.3.1 空间直角坐标系[陈黎妮]【市一等奖】优质课](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F0defd866a69d13cf903904da8090013ad8f73241.jpg%40672w_378h_1c_%21web-search-common-cover)
![[基础]高中数学必修第二册 8.4空间点、直线、平面之间的位置关系](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F12507671023ad60668659680bcce9346705884c2.jpg%40672w_378h_1c_%21web-search-common-cover)
![人教A高中数学必修二4.2.3 直线与圆的方程的应用[董选民]【市一等奖】优质课](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F7635822c6c1968d0d1122070702c7558bfade906.jpg%40672w_378h_1c_%21web-search-common-cover)
.