Chrome，
QQ浏览器
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![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)
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播放：17 时间：2024-06-19简介： -
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![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)
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