1st trial - put 6 balls at each side .. take out the lighter 6 balls
3 O0 S( M& A. L7 c% rtvb now,tvbnow,bttvb2nd trial - put the heavier 6 balls by 3 balls at each side
, b7 e1 B7 p3 R+ ^TVBNOW 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..公仔箱論壇% h1 {0 Q% b& W
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... |