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[函数] 一道抽象函数的题目

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yoyo987654 posted 2023-8-28 12:19 |Read mode

不懂要如何解决，求助各位

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Czhang271828 posted 2023-8-28 12:31

$f(23-x)=f(23+x)$. 那么 $23-x_0$ 是解当且仅当 $23+x_0$ 是解.

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明白了 posted 2023-8-29 09:47

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2025-7-15 15:06 GMT+8

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