put 3 balls on each side, 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。. E8 w7 H& ~: U5 _- X
if balance, we can prove that all 6 balls on the 天平 is normal, 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。# R7 v: k) U* o8 B' A
if not balance, we can prove that the 6 balls outside the 天平 is normal.公仔箱論壇: q0 |3 T$ ^ E
then use the proved-normal ball on one side and put the other ball on other side
8 O% B/ {1 ]" g" yto determine the abnormal is heavy and light |