Divide the 12 balls into 4 groups of 3's.5.39.217.77:8898$ C6 o, D' Y0 f* z
Weigh group 1 & 25.39.217.77:8898$ N( [; j! S4 b
then weigh group 2 & 3 & y3 h% F. O9 P2 fIf the results are Equal & Equal, it means the ball with the different weight is in group 4. 0 M* m: h7 ]9 c, p$ Z+ ^5.39.217.77:8898If the results are Equal & Unequal, it means the ball is in group 3. " r! o2 t# b, f, ^If the results are Unequal & Equal, it means the ball is in group 1. ) r* H) T' V5 L8 q! bTVBNOW 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. : l6 y- D( U2 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。tvb now,tvbnow,bttvb' L6 s) E+ G+ m" `0 j9 Y
Once you determine the group that contains the ball.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。8 a9 I' r% g( w4 X4 g: c9 g
Simply weigh two of the balls
發表於 2007-11-15 03:54 PM
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