You can read "BOROTHER' 1/4 answer,but

来源: jinjing 于 2011-01-09 10:14:14 [] [旧帖] [给我悄悄话] 阅读数 : (98 bytes)
回答: some comments 由 calligraphy 于 2011-01-09 06:44:33

Change X-Y=2M,X*Y=1,

.....

X=2M+Y,...Y<10^(-100)

So,Answer is 0.

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• 回复：You can read "BOROTHER' 1/4 answer,but -calligraphy- ♂ 给 calligraphy 发送悄悄话 (261 bytes) () 01/09/2011 postreply 15:56:51

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