Chrome，
QQ浏览器
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播放：4 时间：2025-09-07简介： -
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![苏教数学五上《2.8.不规则图形的面积》[沈老师]【市一等奖】优质课](//imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F986158c4b45e7d966c30173a3c88302a8e4f9e3c.jpg%40672w_378h_1c_%21web-search-common-cover)
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![苏教数学五上《2.8.不规则图形的面积》[沈老师]【市一等奖】优质课](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F986158c4b45e7d966c30173a3c88302a8e4f9e3c.jpg%40672w_378h_1c_%21web-search-common-cover)
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