put 3 balls on each side,
& }4 J& ^ n# N. q% Y. l+ |& DTVBNOW 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, 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。. H. a3 R+ {- ?$ F* P8 Z
if not balance, we can prove that the 6 balls outside the 天平 is normal.公仔箱論壇; v! ~$ J G3 T0 C
then use the proved-normal ball on one side and put the other ball on other side + m7 Q, T+ E# `$ u0 j' s4 W0 ]
to determine the abnormal is heavy and light |