take 4 balls as a group, 3 groups - A B Ctvb now,tvbnow,bttvb F( R/ t9 m$ ]3 [
weigh A & B (ex. B heavier)tvb now,tvbnow,bttvb; ` d8 H6 U4 b* t& f4 V3 u
then weigh B & C (B & C same weight)
8 q7 E2 b- |+ e# |( \/ e) Gto find which group has the weight difference and find out is it (A is lighter)
2 J. u7 v. V! b6 j7 a+ U* \heavier or lighter
) K2 [1 m5 x$ e1 N+ }+ Z j ctvb now,tvbnow,bttvbthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
! Z! z- n: n& J8 N3 u公仔箱論壇measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
| 
