put 3 balls on each side,
" W4 K- ~! _0 Q3 @# ~- C& n9 ytvb now,tvbnow,bttvbif balance, we can prove that all 6 balls on the 天平 is normal,
X% A4 |0 ]! E9 G6 @! Z+ _9 j5 r0 w5.39.217.76if not balance, we can prove that the 6 balls outside the 天平 is normal.( `+ p' @1 S6 Q0 b! G+ X) i+ r
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。5 o# R4 N" M# F
to determine the abnormal is heavy and light |
發表於 2011-5-14 02:38 PM
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