put 3 balls on each side,
9 @ C- A8 s0 S" p! ]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。if balance, we can prove that all 6 balls on the 天平 is normal,
7 r5 L( d# y+ 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 not balance, we can prove that the 6 balls outside the 天平 is normal.
@8 G4 v' U, ~* pwww.tvboxnow.comthen use the proved-normal ball on one side and put the other ball on other side 公仔箱論壇# c9 T6 B$ s3 A0 X& O* {3 f7 H
to determine the abnormal is heavy and light |