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。8 L- D: A+ J! Y5 @, F' [
if balance, we can prove that all 6 balls on the 天平 is normal, : v& M0 f& ?4 W
if not balance, we can prove that the 6 balls outside the 天平 is normal.
: [' o7 N8 I% qthen use the proved-normal ball on one side and put the other ball on other side
) M9 |: v% b; `7 k$ A公仔箱論壇to determine the abnormal is heavy and light |
發表於 2011-5-11 04:50 AM
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