say something.

来源: jinjing 于 2011-04-04 21:17:14 [档案] [旧帖] [给我悄悄话] 本文已被阅读：次 (147 bytes)

回答: any better way to solve it? 由 calligraphy 于 2011-04-04 12:16:45

...n+1=5*2t.the n's last number is 9...try only 7^2*31 ok.This kind Q,most cases no solution,but we can us s to find new Q, let n+s=m(....).

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