take 4 balls as a group, 3 groups - A B C
' |+ n( X0 p6 \$ o* ltvb now,tvbnow,bttvbweigh A & B (ex. B heavier)
% \! a0 E# T4 Q7 S% ^5.39.217.77then weigh B & C (B & C same weight)- }8 w+ D, o8 ]' O4 a
to find which group has the weight difference and find out is it (A is lighter)tvb now,tvbnow,bttvb o3 e% M! n3 |) U' u6 I
heavier or lighter+ T% r; K3 K' e0 q/ N6 Q( r
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
1 ]) U: P/ d, N0 e9 g: P5.39.217.77measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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