take 4 balls as a group, 3 groups - A B C
9 N" k% P" E& c9 f, W3 M; A/ Fos.tvboxnow.comweigh A & B (ex. B heavier)2 u$ K/ y- V8 E/ X' r# r. q" u
then weigh B & C (B & C same weight)
1 ?. j$ ^- `$ S+ H5 jtvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter)公仔箱論壇. _; Y0 l9 k! G! i% k9 O
heavier or lighter
/ _) I7 X5 b6 o4 H, z) e5 Hthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)# Z4 f) ]. L5 |) z" r+ m4 E
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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