put 3 balls on each side,
3 h% t C; v' d, Ktvb now,tvbnow,bttvbif balance, we can prove that all 6 balls on the 天平 is normal,
, J( X- x$ ]/ M6 l3 ^7 i9 F# Vtvb now,tvbnow,bttvbif not balance, we can prove that the 6 balls outside the 天平 is normal.
/ P8 V# ^* p2 P* `; r v6 nthen use the proved-normal ball on one side and put the other ball on other side
; S; u$ ~9 W. W+ e; ITVBNOW 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 |