Divide the 12 balls into 4 groups of 3's.
4 M6 M: r8 Q( Q# b* v8 j公仔箱論壇Weigh group 1 & 2tvb now,tvbnow,bttvb2 ~: X! L; [- u$ a
then weigh group 2 & 3公仔箱論壇: ~( V/ z* x; c5 r5 }: P& Q) l2 t% Y
If the results are Equal & Equal, it means the ball with the different weight is in group 4.
7 [1 A( }/ P* g+ d2 M* k" ?: g8 Itvb now,tvbnow,bttvbIf the results are Equal & Unequal, it means the ball is in group 3.tvb now,tvbnow,bttvb) s" m; u- Y( b# s! e+ h
If the results are Unequal & Equal, it means the ball is in group 1.公仔箱論壇5 A& o/ @/ {- c' Q% p* m% A, Y
If the results are Unequal & Unequal, it means the ball is in group 2.5.39.217.773 F- n0 c0 @/ ~' u: G: g
) J# g3 f0 ~" Y/ h- e公仔箱論壇Once you determine the group that contains the ball.公仔箱論壇! c* B# q( _' |" W4 V9 X7 I6 I3 E, x
Simply weigh two of the balls |
發表於 2007-11-15 03:54 PM
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