Divide the 12 balls into 4 groups of 3's.
% Z1 X4 e& i; q" ^/ P% R5 D! `5.39.217.77:8898Weigh group 1 & 2- f3 W2 \* }! P% M
then weigh group 2 & 35.39.217.77:8898( \! O3 Q) [) T9 e3 ^# y' W1 @. C1 e
If the results are Equal & Equal, it means the ball with the different weight is in group 4.
' d2 u1 Z& c* b6 a$ WIf the results are Equal & Unequal, it means the ball is in group 3.
7 R: D' o: U6 N; l- m$ W* P1 p5.39.217.77:8898If 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。& g) o; s0 D6 X, L5 U: x, n0 U+ _
If the results are Unequal & Unequal, it means the ball is in group 2.
9 N% J# c/ b9 [# @公仔箱論壇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。" w, K/ {+ n' O3 _. E6 m6 O
Once you determine the group that contains the ball.
B ` v7 C3 O" M5 I" g X' ]( QSimply weigh two of the balls |
發表於 2007-11-17 04:52 AM
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