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。$ r& p9 Y' }% Y' p& ^
if balance, we can prove that all 6 balls on the 天平 is normal,
; Z( Z* ^" ^0 V& ?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 not balance, we can prove that the 6 balls outside the 天平 is normal.
1 d7 p7 P9 z1 o$ ~/ \! z2 j4 nwww3.tvboxnow.comthen use the proved-normal ball on one side and put the other ball on other side www3.tvboxnow.com5 ^! o( Z o, ]8 B' s
to determine the abnormal is heavy and light |