Divide the 12 balls into 4 groups of 3's.
: ^. @7 f& r) ~$ OWeigh group 1 & 2
. |& v0 N/ {) Y* K- \tvb now,tvbnow,bttvbthen weigh group 2 & 3tvb now,tvbnow,bttvb6 g# h* P2 q! n7 N1 `! Y1 X
If the results are Equal & Equal, it means the ball with the different weight is in group 4.公仔箱論壇: r5 w7 W: T9 x- _5 I" O
If the results are Equal & Unequal, it means the ball is in group 3.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 _4 T1 @# w8 z4 S
If the results are Unequal & Equal, it means the ball is in group 1.公仔箱論壇$ r* y0 W; f1 Y
If 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。* N1 E5 o) \2 `
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Once you determine the group that contains the ball.tvb now,tvbnow,bttvb+ x2 y) x1 E1 X: e
Simply weigh two of the balls |
發表於 2007-11-15 03:54 PM
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