put 3 balls on each side, 公仔箱論壇4 g c: M3 N. m9 q, a, ^" ~! @
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。. \) g {6 \" Y6 x
if not balance, we can prove that the 6 balls outside the 天平 is normal.
1 B( `9 E9 Q7 lthen use the proved-normal ball on one side and put the other ball on other side
0 s1 V# q+ \& l. m1 j8 T9 H0 e# }to determine the abnormal is heavy and light |
發表於 2011-5-11 04:50 AM
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