put 3 balls on each side, . S5 M) O2 O' r! ?
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。7 k9 X: E! K3 _9 R! O4 @+ F
if not balance, we can prove that the 6 balls outside the 天平 is normal.
6 {5 o Q8 J* q' R9 _% W- z _ C公仔箱論壇then use the proved-normal ball on one side and put the other ball on other side
' g, ^8 k4 }- y1 n8 T3 Z% hto determine the abnormal is heavy and light |
發表於 2011-5-11 04:50 AM
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