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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： -
![全231集2025新课提前学【北师大版六年级数学上册]北师大版六年级数学同步课堂+专项培 优暑假预习/复习精讲课堂(配套讲义习作 PDF)](//imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F738b985d2d65462b4b325f8b984b16ff38738cc1.jpg%40672w_378h_1c_%21web-search-common-cover)
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![全230集25版【六年级数学上册/下册]人教版小学数学同步课堂+专项培优精讲课堂(配套讲义习作 PDF)人教版六年级上册数学考点全梳理，跟着 学轻松逆袭!](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2Fc618bb96e098ebc627d529ec48c1deb22f0c0f4c.jpg%40672w_378h_1c_%21web-search-common-cover)
播放：0 时间：2025-08-15简介： -
![全231集【北师大版六年级数学课本讲解+专项培优]2025最新版六年级数学同步课堂视频+PDF讲](//imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F013f96954c7b32361791c9271ee00508065bd2bd.png%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)
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