Divide the 12 balls into 4 groups of 3's.tvb now,tvbnow,bttvb3 |) `7 H, X) y9 ^9 R! f {. z6 h
Weigh group 1 & 2www2.tvboxnow.com: b- u9 E* m. @& H
then weigh group 2 & 37 ~. ~- K- d& b6 I
If the results are Equal & Equal, it means the ball with the different weight is in group 4. ; E* m7 D j* ]' D( O. @# Y7 OTVBNOW 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 & Unequal, it means the ball is in group 3.6 K4 o' T( v g
If the results are Unequal & Equal, it means the ball is in group 1. ' s" S8 G5 p8 |) o* D$ l: uTVBNOW 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. ) h& G2 s( A6 D2 |% r3 MTVBNOW 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。 , `# K3 n- F9 ~3 n4 a5 |5 l* e公仔箱論壇Once you determine the group that contains the ball.1 C6 @8 l5 y+ f3 I
Simply weigh two of the balls
發表於 2007-11-15 03:54 PM
| 
