Chrome，
QQ浏览器
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![[基础]高中数学必修第二册 8.3简单几何体的表面积和体积](//imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2Fe1d539e10817b62e2c3c6c322f4dcfba0363eeb9.jpg%40672w_378h_1c_%21web-search-common-cover)
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![[基础]高中数学必修第二册 8.6空间直线、平面的垂直](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F6dbd6f66f97fe6faaddf5a607ed785e7edc9323b.jpg%40672w_378h_1c_%21web-search-common-cover)
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![[基础]高中数学必修第二册 8.1基本立体图形](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F44fc571aa8bef24bf021d97541d826943ef4194e.jpg%40672w_378h_1c_%21web-search-common-cover)
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播放：18 时间：2024-06-19简介： -
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![[基础]高中数学必修第二册 8.5 空间直线、平面的平行](//imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F82ac33fa2fc7c493523d99546dd2cc10a52760b8.jpg%40672w_378h_1c_%21web-search-common-cover)
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![[基础]高中数学必修第二册 8.3简单几何体的表面积和体积](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2Fe1d539e10817b62e2c3c6c322f4dcfba0363eeb9.jpg%40672w_378h_1c_%21web-search-common-cover)
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![[基础]高中数学必修第二册 8.1基本立体图形](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F44fc571aa8bef24bf021d97541d826943ef4194e.jpg%40672w_378h_1c_%21web-search-common-cover)
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