take 4 balls as a group, 3 groups - A B C
8 h- n7 o, U: j! l5 L; b/ ^! }weigh A & B (ex. B heavier)
% Q( Y$ K( ]' ]6 e" Cthen weigh B & C (B & C same weight)tvb now,tvbnow,bttvb5 i0 Z/ Y- d; ` B l
to find which group has the weight difference and find out is it (A is lighter)- Y) V; k* M. X$ i/ A w
heavier or lighter
& r) D7 W/ `1 C- rtvb now,tvbnow,bttvbthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
- \' T5 v3 ]8 q4 I* b2 `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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