Divide the 12 balls into 4 groups of 3's.
3 u% w1 o L$ L2 o& \* T' _# ZWeigh group 1 & 2. E" a6 {) q8 Z' A1 L* z& h/ ~8 Q
then weigh group 2 & 3
$ [' ~9 _; j, _' k1 Q, t- }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。If the results are Equal & Equal, it means the ball with the different weight is in group 4." L, J6 }2 C+ I4 x" J
If the results are Equal & Unequal, it means the ball is in group 3.
. ~3 Y6 C: k; mIf the results are Unequal & Equal, it means the ball is in group 1.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。1 Q+ t- M% { t8 h0 h7 _2 `! t0 k
If the results are Unequal & Unequal, it means the ball is in group 2.
9 i D8 G: H+ L, ] G% ^3 Jtvb now,tvbnow,bttvb; A! ~, g; l: T& ~7 z
Once you determine the group that contains the ball.
4 ?% w+ x* \5 U2 a( ySimply weigh two of the balls |
發表於 2007-11-15 03:54 PM
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