put 3 balls on each side, 公仔箱論壇" E# ?7 B& _5 N0 h1 s
if balance, we can prove that all 6 balls on the 天平 is normal, ; I- z% ?. A! i4 v* x' ^: P
if not balance, we can prove that the 6 balls outside the 天平 is normal.. f, G2 V7 I1 m$ u3 H! }0 Y6 c
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。; q8 | B/ q$ L! ^2 s$ U$ R
to determine the abnormal is heavy and light |
發表於 2011-5-11 04:50 AM
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