1st trial - put 6 balls at each side .. take out the lighter 6 ballstvb now,tvbnow,bttvb' W) e u( W( Y
2nd trial - put the heavier 6 balls by 3 balls at each sideTVBNOW 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。3 _$ j- P$ Y. t: _) S% Q5 E
lastly, take out the lighter 3 balls.... now left 3 balls..
& e, y+ Q5 W* D& t& ~% Q1 l3rd 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... |