1st trial - put 6 balls at each side .. take out the lighter 6 balls
# y3 }( W, t0 n1 D' e3 N, ^tvb now,tvbnow,bttvb2nd 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。- G% A9 P) p2 y z2 j0 X- j
lastly, take out the lighter 3 balls.... now left 3 balls..
# {" c6 e& D6 D; Y: H+ W& \5 O3rd 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... |