Divide the 12 balls into 4 groups of 3's.
. E6 y3 K3 ~, ftvb now,tvbnow,bttvbWeigh group 1 & 2
1 V3 Y+ A, z3 t* m- P+ cthen weigh group 2 & 3% U3 U/ S1 f/ M2 `3 T
If the results are Equal & Equal, it means the ball with the different weight is in group 4.公仔箱論壇, P) _# ]; X/ w" }8 @
If the results are Equal & Unequal, it means the ball is in group 3.
^% i4 m! p5 _5 ` H公仔箱論壇If the results are Unequal & Equal, it means the ball is in group 1.& D5 m) |. x! C+ j7 c9 H0 u
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。5 `, n+ F l) O2 l; _' F' v
/ z+ R1 w' C/ Y' q% q2 E3 ~Once you determine the group that contains the ball.3 n2 e2 |: L }4 ^& J
Simply weigh two of the balls |
發表於 2007-11-15 03:54 PM
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