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![[全294集]2025暑假必看【北师大版小学数学 四年级数学上册/下册数学]四年级上册数学课本同 步+专项培优精讲课堂视频配套讲义习题PDF](//imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2Fdefbf3bb1838535ed565afefc810568ff5889148.jpg%40672w_378h_1c_%21web-search-common-cover)
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播放：0 时间：2025-08-15简介： -
播放：0 时间：2025-07-25简介： -
播放：1 时间：2025-08-15简介： -
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![全827集【五年级下册数学动画]（北师大版+人教版）小学数学动画数学课(1-6年级数学上下册全827集)跟着师徒一起学数学](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2Fecd9525ad754d2da3686b474ec74509b39b33420.png%40672w_378h_1c_%21web-search-common-cover)
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![【全124集]看趣味动画学数学人教版五年级数学上下册](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F3645eaeedc33985c2609d7705371181aefb38943.jpg%40672w_378h_1c_%21web-search-common-cover)
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![[全294集]2025暑假必看【北师大版小学数学 四年级数学上册/下册数学]四年级上册数学课本同 步+专项培优精讲课堂视频配套讲义习题PDF](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2Fdefbf3bb1838535ed565afefc810568ff5889148.jpg%40672w_378h_1c_%21web-search-common-cover)
![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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![【全124集]看趣味动画学数学人教版五年级数学上下册](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F3645eaeedc33985c2609d7705371181aefb38943.jpg%40672w_378h_1c_%21web-search-common-cover)
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