Divide the 12 balls into 4 groups of 3's.5.39.217.774 H( t, f g0 G# b" d6 I: }2 F
Weigh group 1 & 2: r+ ~4 B# J E4 J3 C; ^# b
then weigh group 2 & 3
; E% s5 s1 \ h7 P9 C6 r, |4 jTVBNOW 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.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。5 K. m, c, q4 i6 A
If the results are Equal & Unequal, it means the ball is in group 3.
1 S0 L4 y/ l6 H$ s8 g6 j9 N/ q3 E5.39.217.77If the results are Unequal & Equal, it means the ball is in group 1.
7 q& w3 F. }( x+ i2 p5 LIf the results are Unequal & Unequal, it means the ball is in group 2.3 ?( S) l9 ]* }/ C
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。* p! p, t+ i. v2 s- w5 J$ A( k
Once you determine the group that contains the ball.5.39.217.77+ x. q+ Y, p4 F; e1 ^
Simply weigh two of the balls |
發表於 2007-11-15 03:54 PM
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