5

来源: 乱弹于 2011-07-12 20:13:46 [档案] [博客] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

回答: [a*3*(5-b)-2]=0 or [a*3*(5-b)-b)]=0.It can't get answer.Only bot 由 jinjing 于 2011-07-12 10:37:39

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• 愿闻其详. -jinjing- ♀ (0 bytes) () 07/13/2011 postreply 05:18:53

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