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。4 S+ C# V' `3 \; \2 U
if balance, we can prove that all 6 balls on the 天平 is normal,
! G L7 \3 H( a! x5.39.217.76if not balance, we can prove that the 6 balls outside the 天平 is normal.
) `& y) W, ~ v! `! S X( d5.39.217.76then use the proved-normal ball on one side and put the other ball on other side . [8 [- V% d1 b$ C# @, j/ z, u, i
to determine the abnormal is heavy and light |