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![【获奖】冀教版初中数学九上《28.1 圆的概念及性质》[冯老师]【市一等奖】优质课公开课教学视频](//imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2Fbf222731deec99b8826a873d15ee348da2066f44.jpg%40672w_378h_1c_%21web-search-common-cover)
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播放：4 时间：2024-07-13简介： -
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![【获奖】冀教版初中数学九上《28.1 圆的概念及性质》[冯老师]【市一等奖】优质课公开课教学视频](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2Fbf222731deec99b8826a873d15ee348da2066f44.jpg%40672w_378h_1c_%21web-search-common-cover)
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