Divide the 12 balls into 4 groups of 3's. # p: M5 `, |; d: P5 k1 N/ los.tvboxnow.comWeigh group 1 & 2tvb now,tvbnow,bttvb. {6 \1 Y( R' N, l
then weigh group 2 & 3 5 a% M. G( m) q( DIf the results are Equal & Equal, it means the ball with the different weight is in group 4. # C# c+ X: O% ]4 I' ~% e- _3 GTVBNOW 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 Equal & Unequal, it means the ball is in group 3. - t5 j' ]) e; z' gIf the results are Unequal & Equal, it means the ball is in group 1. ( a6 A: |7 _# p3 J: nIf 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。- R) h6 c' v2 A; S6 j5 u5 q
) c) T2 K) L3 W6 dOnce you determine the group that contains the ball.os.tvboxnow.com5 m' I, t' b# Q. J9 ^
Simply weigh two of the balls
發表於 2007-11-15 03:54 PM
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