put 3 balls on each side,
9 r0 }7 h( E* l. I6 t* n4 e6 V3 ^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。if balance, we can prove that all 6 balls on the 天平 is normal,
2 v. ^9 ^( b, X6 W- |1 Mif not balance, we can prove that the 6 balls outside the 天平 is normal.
: p: Y$ E4 U* a, v# |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。then use the proved-normal ball on one side and put the other ball on other side tvb now,tvbnow,bttvb% x, P# `! A: K0 w3 p F
to determine the abnormal is heavy and light |
發表於 2011-5-11 04:50 AM
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