this is too easy!!
/ |5 o G7 A1 h" ^, [TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。
) ^8 ~ \0 b/ B* Xtvboxnow.com1. put 6 at each side.. take the one side which is heavier
' K7 [$ q& ?: T2 _$ p) V2. put 3 at each side.. also take the heavier side4 x9 H% [) a7 @
3. put 1 at each side.. if the weight balance then the one not put inside is the heavy ball.. else the side which is heavier is the heavier ball.. |
發表於 2009-1-7 05:31 AM
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