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[数论] 求所有>1的正整数n,$x^n-n=y^2$有整数解

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hbghlyj posted 2019-8-7 10:01 |Read mode
Last edited by hbghlyj 2019-8-7 11:41n为偶数无解
n为奇数
n=15无解
7的解为(2,±11)
其余未知??

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