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。5 q. Z6 I9 A) Y" O( L+ Y
if balance, we can prove that all 6 balls on the 天平 is normal,
( Q7 b) @% R' j' l# B0 \5.39.217.77if not balance, we can prove that the 6 balls outside the 天平 is normal.公仔箱論壇; f) `. q# ^$ I9 g6 t6 u
then use the proved-normal ball on one side and put the other ball on other side
d1 v* Y- u, h( ]* r: S3 a公仔箱論壇to determine the abnormal is heavy and light |