1921| 5
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[函数] $a^x+b^\frac{1}{x}=a+b$ |
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现充已死,エロ当立。
维基用户页:https://zh.wikipedia.org/wiki/User:Tttfffkkk Notable algebra methods:https://artofproblemsolving.com/community/c728438 《方幂和及其推广和式》 数学学习与研究2016. |
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2025-7-20 06:07 GMT+8
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