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。 ]$ W, Z. L( d& c9 }$ Q/ z# m
2nd trial - put the heavier 6 balls by 3 balls at each side
* D" X1 A% _. c' Ytvb now,tvbnow,bttvblastly, take out the lighter 3 balls.... now left 3 balls..' S; g( o9 N& L7 v1 ^
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... |