能否有正整数m、n满足方程m^2+1954=n^2
1954年苏联数学竞赛题
于德利 (2007-12-21 18:11:51) 评论 (0)能否有正整数m、n满足方程m^2+1954=n^2
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1954年苏联数学竞赛题
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