put 3 balls on each side,
O! \. h3 f/ Q4 e4 e* T# `& uif balance, we can prove that all 6 balls on the 天平 is normal,
2 B( r# m$ V# M+ ]8 f7 d T sTVBNOW 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。if not balance, we can prove that the 6 balls outside the 天平 is normal.公仔箱論壇( ?/ g1 i2 k% _ f0 Z4 K) r0 i
then use the proved-normal ball on one side and put the other ball on other side
q) P c$ G1 p0 ^/ U' k公仔箱論壇to determine the abnormal is heavy and light |