put 3 balls on each side,
1 B! `( C9 H( U5 S5.39.217.77:8898if balance, we can prove that all 6 balls on the 天平 is normal,
. f! Z) V$ n( p5 Vif not balance, we can prove that the 6 balls outside the 天平 is normal.tvb now,tvbnow,bttvb6 Q3 b6 U& X; a% S! q+ i5 N# x3 o
then use the proved-normal ball on one side and put the other ball on other side
2 {: \- l* I. ?: 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。to determine the abnormal is heavy and light |