take 4 balls as a group, 3 groups - A B C. S& n* f/ u+ X. a/ i
weigh A & B (ex. B heavier)公仔箱論壇+ k; k2 x" F- v) g
then weigh B & C (B & C same weight)公仔箱論壇6 V5 F, M# }0 o. G% v
to find which group has the weight difference and find out is it (A is lighter)公仔箱論壇/ r5 B2 o9 R# S1 T) b6 ]& E
heavier or lighter
) f5 u: d, B- @/ e, _then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
$ O: A( Z5 i# B1 E5.39.217.77:8898measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
| 
