1st trial - put 6 balls at each side .. take out the lighter 6 balls5.39.217.77:88988 Z+ M" s4 k! X: V9 D6 r# d
2nd trial - put the heavier 6 balls by 3 balls at each side
G* i3 I, c8 h3 `- `/ RTVBNOW 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。lastly, take out the lighter 3 balls.... now left 3 balls..tvb now,tvbnow,bttvb) F0 w5 \& S2 V5 N( d9 I
3rd trial - put 1 ball on each side, left 1 ball on table. if both sides balance, the ball on table is the heaviest. if one side on the scale is heavier then it is the heaviest... |