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总不能暴力分解吧In Reply To:请教一个整数方程问题， a1^2 + a2^2 +....+ an^2 = m, m是已知常数， a1...an是未知数且非负，a1+a2+...an = n, 如何判断方程有解？ Posted by:sunmoonstar_love at 2005-07-25 11:21:20 Followed by:
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