take 4 balls as a group, 3 groups - A B C
9 F; T1 p0 ~( {* Z }5.39.217.77weigh A & B (ex. B heavier)
8 E' r) Y$ J* Etvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)
9 ]) I' f! n) E1 z; X) l+ Y; g6 Jtvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter)
3 @0 v# z; P8 L" c; }& y5.39.217.77heavier or lighter5.39.217.77" o' {9 S) U Y
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)tvb now,tvbnow,bttvb1 N9 M' S% r6 [7 \' _7 q7 O& E
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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