Divide the 12 balls into 4 groups of 3's.公仔箱論壇, A, K" S" [! E, a* ?
Weigh group 1 & 24 q* \% p$ t U6 Z+ E& @
then weigh group 2 & 36 a Q% R7 B* A1 N( m3 e
If the results are Equal & Equal, it means the ball with the different weight is in group 4. $ N$ p( F) c% c5 Z/ p公仔箱論壇If the results are Equal & Unequal, it means the ball is in group 3.公仔箱論壇- V: k/ o. _! a6 q4 P' e- y0 n
If the results are Unequal & Equal, it means the ball is in group 1. * f& ]2 d7 w! f# A ?. s' aTVBNOW 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 the results are Unequal & Unequal, it means the ball is in group 2.5.39.217.76% v5 w" E. k& Z% ]: D- {
公仔箱論壇6 q7 X4 p9 M0 W7 M# a0 C- a
Once you determine the group that contains the ball.公仔箱論壇% J1 n1 n, C, n( ]# _
Simply weigh two of the balls
發表於 2007-11-15 03:54 PM
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