put 3 balls on each side,
. l) ]4 ~* }$ C: f+ o% z, s, }tvb now,tvbnow,bttvbif balance, we can prove that all 6 balls on the 天平 is normal, : B' X6 ~. s t+ Z5 y
if not balance, we can prove that the 6 balls outside the 天平 is normal.
, ], ^) m- Y" o公仔箱論壇then use the proved-normal ball on one side and put the other ball on other 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* ]! U- D) d' f s
to determine the abnormal is heavy and light |
發表於 2011-5-11 04:50 AM
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