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![[基础]高中数学选择性必修第二册 4.1数列的概念](//imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F8d09fb40494446dd4be862a93a2308a19d498c10.jpg%40672w_378h_1c_%21web-search-common-cover)
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![人教A高中数学必修五2.2 等差数列[张长锁]【市一等奖】优质课](//imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2Fed3fac9029316ba6585b69fe1f6ff55b022f34a7.jpg%40672w_378h_1c_%21web-search-common-cover)
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![15.[导数] 高中数学 选择性必修二 第5章 导数及其应用](//imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F3d689dd7146331e62a6a94f6f8c03dee8a860ac7.png%40672w_378h_1c_%21web-search-common-cover)
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播放：10 时间：2024-06-19简介： -
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![[基础]高中数学选择性必修第二册 4.1数列的概念](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F8d09fb40494446dd4be862a93a2308a19d498c10.jpg%40672w_378h_1c_%21web-search-common-cover)
![人教A高中数学必修五2.2 等差数列[张长锁]【市一等奖】优质课](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2Fed3fac9029316ba6585b69fe1f6ff55b022f34a7.jpg%40672w_378h_1c_%21web-search-common-cover)
![15.[导数] 高中数学 选择性必修二 第5章 导数及其应用](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F3d689dd7146331e62a6a94f6f8c03dee8a860ac7.png%40672w_378h_1c_%21web-search-common-cover)
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