Chrome，
QQ浏览器
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![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)](//imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F9776f7ba807a36d5c0eeb09adbb3e9ab1d242846.jpg%40672w_378h_1c_%21web-search-common-cover)
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播放：2 时间：2025-08-20简介： -
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![全201集【五年级数学上册/下册趣味动画]把抽象公式、复杂应用题变成生动剧情，孩子看得懂、记得牢，轻松爱上数学！ 家长们别错过，助力孩子打好数学基础～](//imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F341e68024786d2446c3b81d60ebd2415c4e24277.jpg%40672w_378h_1c_%21web-search-common-cover)
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![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%2F9776f7ba807a36d5c0eeb09adbb3e9ab1d242846.jpg%40672w_378h_1c_%21web-search-common-cover)
![全201集【五年级数学上册/下册趣味动画]把抽象公式、复杂应用题变成生动剧情，孩子看得懂、记得牢，轻松爱上数学！ 家长们别错过，助力孩子打好数学基础～](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F341e68024786d2446c3b81d60ebd2415c4e24277.jpg%40672w_378h_1c_%21web-search-common-cover)
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