1st trial - put 6 balls at each side .. take out the lighter 6 balls' e$ a5 k: ~7 k- n3 d
2nd 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。" C5 e1 P3 s4 |, ~: c# u* ^3 J
lastly, take out the lighter 3 balls.... now left 3 balls..
' p4 j& f' Z( b. F0 Z& I$ X, r. xTVBNOW 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... |