take 4 balls as a group, 3 groups - A B C( o: Z* v& A# e
weigh A & B (ex. B heavier)4 I x E+ J* {: F- a. U" S
then weigh B & C (B & C same weight)tvb now,tvbnow,bttvb2 Y3 C5 `' [ ]$ V$ R) j* n
to find which group has the weight difference and find out is it (A is lighter)
7 Z0 ]! v/ `& O, u5 e* D9 K8 Iheavier or lighter Y+ M! u. o* o& A9 G
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
* w0 w- Z4 e" D: q! j# R5 ^: lmeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
| 
