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播放：0 时间：2025-08-15简介： -
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![全91集【2025新教材 北师大版数学七年级上册/下册]2025新教材北师大版数学，七年级数学上下册数学视频课本同步精讲(同步练习题)](//imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F659f35a5c2a93b8ef34f0a99a3a67140c3dbccc9.jpg%40672w_378h_1c_%21web-search-common-cover)
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![90年代人教版初中数学课本简介 [2021年4月27日首发]](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F24ed611bf8fae7b925c2ee019a3584e10844b23d.jpg%40672w_378h_1c_%21web-search-common-cover)
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![全91集【2025新教材 北师大版数学七年级上册/下册]2025新教材北师大版数学，七年级数学上下册数学视频课本同步精讲(同步练习题)](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F659f35a5c2a93b8ef34f0a99a3a67140c3dbccc9.jpg%40672w_378h_1c_%21web-search-common-cover)
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