suppose one side is n, then: n*n + (n+1)*(n+1) = (n+2)*(n+2) => n = 3; or n = -1 So it seems that there is only the case of 3,4,5 |
好心没好报, 哼 |
黑锅还是要给, 妒忌不可以吗 |
3,4,5 5,12,13 8,15,17 9,40,41 .... |
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