put 3 balls on each side,
+ j* _: [( r. Y7 W6 K/ g: eTVBNOW 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, tvb now,tvbnow,bttvb; U! @7 c5 _# L0 G' G" E+ F
if not balance, we can prove that the 6 balls outside the 天平 is normal.
, z- B- u8 R1 I; V: ftvb now,tvbnow,bttvbthen use the proved-normal ball on one side and put the other ball on other side
* }* \) n* c7 i/ Rtvb now,tvbnow,bttvbto determine the abnormal is heavy and light |