take 4 balls as a group, 3 groups - A B C
( m1 |& k5 c3 z% c3 L2 ltvb now,tvbnow,bttvbweigh A & B (ex. B heavier)6 F9 Q+ t/ Z2 P! R# M `
then weigh B & C (B & C same weight)
; e" O( @' U z: S6 S; btvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter)
+ J) D, A9 R' { vheavier or lighter
~) j) M& n8 f! t+ mthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
* v9 t5 [# d/ @/ [( H- Emeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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