take 4 balls as a group, 3 groups - A B C, ?. O$ i8 {/ i1 T% m
weigh A & B (ex. B heavier)" [1 C9 L) l/ k, G, C
then weigh B & C (B & C same weight)tvb now,tvbnow,bttvb" y7 ^& ^7 G% x
to find which group has the weight difference and find out is it (A is lighter)
3 O3 U) c$ N7 h$ J: mheavier or lighter8 D* D9 L% q' A; Y3 I
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)8 Y* N! r; E- Y1 ?+ J* q( h
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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