this is too easy!!
+ Z9 R3 M! g HTVBNOW 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。公仔箱論壇) s! L/ Y! f& n. c2 [
1. put 6 at each side.. take the one side which is heavier公仔箱論壇8 b9 D' C# A$ |) X
2. put 3 at each side.. also take the heavier side5 m' M1 a( x3 H- }8 C" d
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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