1st trial - put 6 balls at each side .. take out the lighter 6 ballsTVBNOW 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。) b1 q& |9 E3 h* C+ i$ v: A8 v
2nd trial - put the heavier 6 balls by 3 balls at each side, s" [+ `0 V3 I; T! ]
lastly, take out the lighter 3 balls.... now left 3 balls..
6 B3 N! p0 R! R- R3rd 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... |