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[函数] 2018年全国卷2数学文科第21题

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lemondian posted 2018-6-17 19:25 |Read mode

问题（2）的证法较多，算是较为容易的题目。直接算，放缩等都可以。
今天看到这个做法：分离参数，再构造函数来证，不知是否可行？

写错一个字：综合

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original poster lemondian posted 2018-6-18 08:40

那位帮忙看看呗

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2025-7-15 14:13 GMT+8

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