this is too easy!!tvb now,tvbnow,bttvb1 w# g4 d5 o& W+ t$ d$ ^
* R( G. P) o; l" a8 a
1. put 6 at each side.. take the one side which is heavier
) Y9 q1 U0 p( ]; @: Y1 k, j! @! r2. put 3 at each side.. also take the heavier sideTVBNOW 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 s" F1 L7 U1 `. w
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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