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![全252集2026寒假新课提前学[人教版五年级数学下册]视频+PDF资料五年级数学上册下册人教版五年级下册数学提分攻略｜紧扣教材，梳理核心知识点，学习更高效。](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2Fff192cf866223c0f9c376974546aa4a4e8caacae.jpg%40672w_378h_1c_%21web-search-common-cover)
播放：0 时间：2026-01-17简介： -
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![全252集2026寒假新课提前学[人教版五年级数学下册]视频+PDF资料五年级数学上册下册人教版五年级下册数学提分攻略｜紧扣教材，梳理核心知识点，学习更高效。](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2Fff192cf866223c0f9c376974546aa4a4e8caacae.jpg%40672w_378h_1c_%21web-search-common-cover)
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