Divide the 12 balls into 4 groups of 3's.
0 ?, S4 a; H* H7 P$ K5 w; K( m6 atvb now,tvbnow,bttvbWeigh group 1 & 2
* Y) C1 x9 `6 m* M1 Kthen weigh group 2 & 3
+ c1 M0 z7 v$ K8 W7 l2 v& QIf the results are Equal & Equal, it means the ball with the different weight is in group 4.
7 x4 ~3 ^: [- m: x4 E' A5 wtvb now,tvbnow,bttvbIf the results are Equal & Unequal, it means the ball is in group 3.tvb now,tvbnow,bttvb: R% ^: G' N; _: l9 }) E
If the results are Unequal & Equal, it means the ball is in group 1.
4 V) ]2 u! [% m# fos.tvboxnow.comIf the results are Unequal & Unequal, it means the ball is in group 2.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。$ |$ |0 s% L$ E) P5 J
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Once you determine the group that contains the ball.
& k- H+ |, {6 }) o/ l) @tvb now,tvbnow,bttvbSimply weigh two of the balls |
發表於 2007-11-15 03:54 PM
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