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。* m8 e# z# Y3 |0 z; L0 H1 O" a
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1. put 6 at each side.. take the one side which is heavier: l5 x5 g% r& |. a
2. put 3 at each side.. also take the heavier side
) {! b" X/ E9 s1 @. S5 CTVBNOW 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。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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