What does condition 5 mean?

来源: aisanguo 于 2010-11-25 21:13:51 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)
回答: How to solve math logic puzzle? Thank you. 由 APtest 于 2010-11-25 11:35:03
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