take 4 balls as a group, 3 groups - A B C
( l# j$ s1 C; k: hweigh A & B (ex. B heavier)
' i/ f% z: h3 ^0 |5.39.217.76then weigh B & C (B & C same weight)
2 ^( {" V/ y" |7 Q' {8 N9 O6 u. Ztvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter)
# B9 d& t4 R) C. h- ]5 v! zheavier or lighter) \+ R' i$ Q: H5 n2 Z
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
- t, E1 W: M+ C% A8 O' @tvb now,tvbnow,bttvbmeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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