take 4 balls as a group, 3 groups - A B C
7 y1 K4 i! V( {- k% @* s3 u1 Ctvb now,tvbnow,bttvbweigh A & B (ex. B heavier)
% a% t6 X* _; k" t6 ]& t4 Kthen weigh B & C (B & C same weight)2 M8 X: P1 K& b& M! j3 g& w
to find which group has the weight difference and find out is it (A is lighter)
- x! n+ c) a; v9 b5 U3 v8 zheavier or lightertvb now,tvbnow,bttvb+ n$ @2 R. k) {- S
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)tvb now,tvbnow,bttvb+ `4 @1 }: [$ \& F* c
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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