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![全294集2025版新课提前学【北师大版四年级数学上册]北师大版四年级数学同步课堂+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%2Fi0.hdslb.com%2Fbfs%2Farchive%2F0252ea4529f58988f5ba953784e010dbbb189b88.jpg%40672w_378h_1c_%21web-search-common-cover)
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![全174集【人教版四年级语文上册/下册]告别枯燥学习，用清晰讲解+趣味案例，让阅读理解、古诗文积累更轻松，#小学语文 #四年级语文#名师课堂视频+PDF资料包](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F581d8427c74013b95213c3835996b97667a8a4ff.jpg%40672w_378h_1c_%21web-search-common-cover)
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