1st trial - put 6 balls at each side .. take out the lighter 6 ballstvboxnow.com7 x, p4 K& u3 w' H7 K
2nd trial - put the heavier 6 balls by 3 balls at each side
7 z- C. Z3 u# }( e" Ytvboxnow.comlastly, take out the lighter 3 balls.... now left 3 balls..
/ x1 o. @' z+ t' X c# ITVBNOW 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... |