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。: Z* H; ~ ~ N4 X
if balance, we can prove that all 6 balls on the 天平 is normal, 1 j3 ^( |. \3 e K
if not balance, we can prove that the 6 balls outside the 天平 is normal.5.39.217.76; s3 P7 v0 [- I
then use the proved-normal ball on one side and put the other ball on other side
; v2 u6 a5 O1 O4 r+ I5.39.217.76to determine the abnormal is heavy and light |