take 4 balls as a group, 3 groups - A B C- [2 f) H5 R# @: O' P. i
weigh A & B (ex. B heavier)公仔箱論壇9 o! J. N6 {, d2 O7 J
then weigh B & C (B & C same weight)tvb now,tvbnow,bttvb" Z- E/ L9 x8 }/ K R
to find which group has the weight difference and find out is it (A is lighter)
! ?0 D$ J" g9 c) |heavier or lighter
8 ^/ K3 X& _% f, |2 q4 W9 C# @tvb now,tvbnow,bttvbthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter). g8 D1 p' z; ^6 a9 B' V6 W
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
| 
