1st trial - put 6 balls at each side .. take out the lighter 6 balls. A! E& j G A
2nd trial - put the heavier 6 balls by 3 balls at each sidetvb now,tvbnow,bttvb1 N3 T! |4 o( _# I7 B" o! ]
lastly, take out the lighter 3 balls.... now left 3 balls..
* D' u. L5 n, j" ^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。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... |