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[不等式] 三位数和一个两位数，求二者乘积最大值

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hbghlyj posted 2019-8-5 19:49 |Read mode

由数码1-5不重复地组成一个三位数和一个两位数，求二者乘积最大值？最小值？
这类问题貌似与排序不等式有关？
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2025-7-23 14:44 GMT+8

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