put 3 balls on each side, 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。1 k8 J- O- m5 W% I+ W- |) O9 e
if balance, we can prove that all 6 balls on the 天平 is normal,
" e0 z& D% c! c! q4 z% r* J+ ~www2.tvboxnow.comif not balance, we can prove that the 6 balls outside 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。/ l0 l7 h& E" ^3 f; F# U
then use the proved-normal ball on one side and put the other ball on other side
8 Q# W/ U& U& R$ z* _1 i: z公仔箱論壇to determine the abnormal is heavy and light |