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。6 L, _- ?$ ^; t _
2nd trial - put the heavier 6 balls by 3 balls at each side
5 _4 U5 e1 L8 a, R* o, D& plastly, take out the lighter 3 balls.... now left 3 balls..
+ M7 i Y8 X) D; E/ a' ]5 j3rd 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... |