put 3 balls on each side, " e+ y9 U# K5 X/ G
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。% E7 y P; b; j6 {
if not balance, we can prove that the 6 balls outside 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。1 w; e4 \/ l, F, z+ v! [% N
then use the proved-normal ball on one side and put the other ball on other side
; [7 ^, Y' ^% G3 h- _0 e# Wto determine the abnormal is heavy and light |
發表於 2011-5-11 04:50 AM
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