Chrome，
QQ浏览器
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![北师大数学七上6.1数据的收集[杨老师]【市一等奖】优质课](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F211d3adbbe2c4d5e86803a020cb18e7abd8a88ac.jpg%40672w_378h_1c_%21web-search-common-cover)
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播放：32 时间：2024-06-19简介： -
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![北师大数学七上6.1数据的收集[杨老师]【市一等奖】优质课](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F211d3adbbe2c4d5e86803a020cb18e7abd8a88ac.jpg%40672w_378h_1c_%21web-search-common-cover)
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