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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%2Fi1.hdslb.com%2Fbfs%2Farchive%2Ff872ddd71b3337c474276732a85d7f33ae3ba7e9.jpg%40672w_378h_1c_%21web-search-common-cover)
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播放：0 时间：2025-08-22简介： -
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播放：2 时间：2025-08-19简介： -
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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!](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2Ff872ddd71b3337c474276732a85d7f33ae3ba7e9.jpg%40672w_378h_1c_%21web-search-common-cover)
![全196集2025新课提前学【四年级数学上册/下册]人教版四年级数学上下册同步课堂+专项培优精讲课堂(配套讲义习作 PDF)](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F912b472356823368a4b7562b3c20f9541587999c.jpg%40672w_378h_1c_%21web-search-common-cover)
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