Chrome，
QQ浏览器
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
![人教A高中数学必修四2.5.1 平面几何中的向量方法[崔艳]【市一等奖】优质课](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2Fef3ec3fcc83f42203339af1a9ec2d6569c74d6bc.jpg%40672w_378h_1c_%21web-search-common-cover)
-
-
播放：18 时间：2024-06-19简介： -
-
-
![[基础]高中数学必修第二册 6.4平面向量的应用](//imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F863cfd3284d1f2d36cf575edcdc7049236a0442e.jpg%40672w_378h_1c_%21web-search-common-cover)
-
-
-
![三角形的四心与平面向量，学会这些，得分轻而易举[高一春季3]](//imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F572a09145d72f54f91c7094ba237ace7e189c670.jpg%40672w_378h_1c_%21web-search-common-cover)
-
-
播放：24 时间：2024-06-19简介： -
![人教A高中数学必修四2.5.1 平面几何中的向量方法[崔艳]【市一等奖】优质课](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2Fef3ec3fcc83f42203339af1a9ec2d6569c74d6bc.jpg%40672w_378h_1c_%21web-search-common-cover)
![[基础]高中数学必修第二册 6.4平面向量的应用](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F863cfd3284d1f2d36cf575edcdc7049236a0442e.jpg%40672w_378h_1c_%21web-search-common-cover)
![三角形的四心与平面向量，学会这些，得分轻而易举[高一春季3]](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F572a09145d72f54f91c7094ba237ace7e189c670.jpg%40672w_378h_1c_%21web-search-common-cover)
.