Chrome，
QQ浏览器
-
-
-
-
-
-
-
-
-
-
播放：0 时间：2024-09-05简介： -
-
-
![北师大数学八上《6.3 从统计图分析数据的集中趋势》[石老师]【市一等奖】优质课](//imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F778a52d7eaf4df89f51010a9565a024403e209a8.jpg%40672w_378h_1c_%21web-search-common-cover)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
播放：0 时间：2025-05-01简介： -
-
-
-
-
-
-
-
-
-
-
-
![北师大数学八上《6.3 从统计图分析数据的集中趋势》[石老师]【市一等奖】优质课](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F778a52d7eaf4df89f51010a9565a024403e209a8.jpg%40672w_378h_1c_%21web-search-common-cover)
.