put 3 balls on each side,
6 P0 b9 A/ Q( m" T$ ]3 cif balance, we can prove that all 6 balls on the 天平 is normal, 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。; k! y4 r2 f& ~5 n! O. p
if not balance, we can prove that the 6 balls outside the 天平 is normal.3 ~4 c" \! c/ X; F1 l
then use the proved-normal ball on one side and put the other ball on other side
0 h3 p4 V3 R4 gto determine the abnormal is heavy and light |