Chrome，
QQ浏览器
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![3.4函数的应用（一）[速通高中数学必修第一册]](//imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2Fac3efcea67704c613a68e86bb528757a32f74259.jpg%40672w_378h_1c_%21web-search-common-cover)
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播放：0 时间：2025-08-24简介： -
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![3.4函数的应用（一）[速通高中数学必修第一册]](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2Fac3efcea67704c613a68e86bb528757a32f74259.jpg%40672w_378h_1c_%21web-search-common-cover)
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