1st trial - put 6 balls at each side .. take out the lighter 6 balls
$ `3 X. E0 G* e9 D* P+ x" ptvb now,tvbnow,bttvb2nd trial - put the heavier 6 balls by 3 balls at each side
0 r S6 |2 x; r! f: h+ E* D& n5.39.217.76lastly, take out the lighter 3 balls.... now left 3 balls..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。: I: x0 E, i, k( f$ q6 ^' P! ?
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... |