take 4 balls as a group, 3 groups - A B C5.39.217.77:8898/ t- C' d5 G/ N+ v2 h: K% l
weigh A & B (ex. B heavier)tvb now,tvbnow,bttvb. e: {$ S3 G& C
then weigh B & C (B & C same weight)tvb now,tvbnow,bttvb5 L# s3 W. F" \
to find which group has the weight difference and find out is it (A is lighter)
9 W/ a9 u& ^5 H3 @4 A! Xtvb now,tvbnow,bttvbheavier or lighter
: D5 ^. B, p* {/ Gthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
4 y% f F) f; |- X. F5.39.217.77:8898measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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