Chrome，
QQ浏览器
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![青岛六年制数学一上《6认识长方体、正方体、圆柱和球》[车老师]【市一等奖】优质课 (1)_0全国一等奖｜优质课视频｜公开课视频｜比赛视频｜获奖课件｜课堂实录｜小](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F27863882fcc571da771e66bef175206c3ef33b90.jpg%40672w_378h_1c_%21web-search-common-cover)
播放：0 时间：2024-09-30简介： -
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![青岛六年制数学一上《6认识长方体、正方体、圆柱和球》[车老师]【市一等奖】优质课 (1)_0全国一等奖｜优质课视频｜公开课视频｜比赛视频｜获奖课件｜课堂实录｜小](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F27863882fcc571da771e66bef175206c3ef33b90.jpg%40672w_378h_1c_%21web-search-common-cover)
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