this is too easy!!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。: M7 v% O! h- _
公仔箱論壇# {* ` @' j" E9 r
1. put 6 at each side.. take the one side which is heavier
8 ]0 @# m* t( Y- ^4 A- O: ~公仔箱論壇2. put 3 at each side.. also take the heavier side公仔箱論壇' i6 f( b: O9 s
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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