take 4 balls as a group, 3 groups - A B C
! q% a- o: `% Y9 N. ttvb now,tvbnow,bttvbweigh A & B (ex. B heavier)
/ i R# G) n) y |tvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)
. g' R; Y* X/ U' gto find which group has the weight difference and find out is it (A is lighter)
, H# a/ Y; M8 Z$ K0 Zheavier or lightertvb now,tvbnow,bttvb4 M- p( v3 y8 V- g' [8 S
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
1 T& J8 `$ ?0 C" H9 z6 I1 N B5.39.217.76measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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