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。* j8 w7 T7 @" ^. Y W
0 s4 Y9 K7 H9 K* [: ~( ttvb now,tvbnow,bttvb1. put 6 at each side.. take the one side which is heavier
9 C; v% Z' s% ^+ O5.39.217.762. put 3 at each side.. also take the heavier side9 X1 i8 q) D. W; U0 t5 K
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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