4=22 and 6=23, so 46=62*2 :)

来源: needwait.. 于 2007-08-06 08:34:46 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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4=2*2 and 6=2*3, so 4*6=6*2*2 :)