Divide the 12 balls into 4 groups of 3's.) C. u; ~# O# f& m/ r z) ?
Weigh group 1 & 21 i# W, @& y! W9 n
then weigh group 2 & 3
7 t* K# A9 y" `* Q. Mtvb now,tvbnow,bttvbIf the results are Equal & Equal, it means the ball with the different weight is in group 4.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。) s7 j. }( Q! u8 \ ]
If the results are Equal & Unequal, it means the ball is in group 3.5.39.217.77:8898: \5 r9 V& _+ m: u
If the results are Unequal & Equal, it means the ball is in group 1.) y7 ?+ F9 M- d* {: S
If the results are Unequal & Unequal, it means the ball is in group 2.
* s6 b4 n. x' |& f. ?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。
, A! \/ X: t- F* g9 M" i# w9 otvb now,tvbnow,bttvbOnce you determine the group that contains the ball.公仔箱論壇 H; O9 o4 q! n1 T& q1 F- r3 Z
Simply weigh two of the balls |
發表於 2007-11-17 04:52 AM
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