put 3 balls on each side,
( D: N3 p, z& ^/ OTVBNOW 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 balance, we can prove that all 6 balls on the 天平 is normal,
( ?- i( j/ C( {6 j* v公仔箱論壇if not balance, we can prove that the 6 balls outside the 天平 is normal.+ c- m! l M7 N- K9 D, @
then use the proved-normal ball on one side and put the other ball on other side " p6 H6 p6 n$ V9 {0 D
to determine the abnormal is heavy and light |