put 3 balls on each side,
( I3 D4 t L( r$ B( D! }6 a8 dtvb now,tvbnow,bttvbif balance, we can prove that all 6 balls on the 天平 is normal,
' i" |" a% W2 h/ Z3 M2 m% NTVBNOW 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.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。3 p1 [. T |8 P [# I
then use the proved-normal ball on one side and put the other ball on other side
4 | J% I* }9 M* N7 o5 s% H7 ]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。to determine the abnormal is heavy and light |