Divide the 12 balls into 4 groups of 3's.tvb now,tvbnow,bttvb9 q1 C8 ~! G. O2 M! |
Weigh group 1 & 25.39.217.76* m7 ^9 e2 S5 ?9 A4 Y: O
then weigh group 2 & 3
; {* M( y3 J# Xtvb now,tvbnow,bttvbIf the results are Equal & Equal, it means the ball with the different weight is in group 4.5.39.217.767 _- a1 U; `. ^6 H+ A4 @0 N: }' r
If the results are Equal & Unequal, it means the ball is in group 3.
( Y# w. z) _5 w! Q, z公仔箱論壇If the results are Unequal & Equal, it means the ball is in group 1.
( Q& `! Y3 H8 ?3 I2 zIf the results are Unequal & Unequal, it means the ball is in group 2.: [ b7 F3 y5 H$ U Q
公仔箱論壇' D* w, y) I( z9 E$ M, \2 {
Once you determine the group that contains the ball.+ ^) [3 `( r- N6 i. O4 {
Simply weigh two of the balls |
發表於 2007-11-15 03:54 PM
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