take 4 balls as a group, 3 groups - A B C
- n" _! L0 \# T' {& ttvb now,tvbnow,bttvbweigh A & B (ex. B heavier)
. A! G& v) h( _# T" @: gthen weigh B & C (B & C same weight)
6 Y# r- n3 L# p8 e8 |& \to find which group has the weight difference and find out is it (A is lighter)
; B. b0 R/ M- I1 @heavier or lighter5.39.217.77" c, P" @/ W/ l7 y9 f1 h
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
4 C7 `2 r- P$ L+ S公仔箱論壇measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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