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。3 K3 v# w5 H% ^8 w4 b' T* C( ?
if balance, we can prove that all 6 balls on the 天平 is normal, % O8 T5 |! \9 R$ [: m# H9 I
if not balance, we can prove that the 6 balls outside the 天平 is normal.tvb now,tvbnow,bttvb/ A; J) H( K+ {+ R9 d, N
then use the proved-normal ball on one side and put the other ball on other side
) o( Y: \5 k h) aTVBNOW 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。to determine the abnormal is heavy and light |
發表於 2011-5-11 04:50 AM
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