take 4 balls as a group, 3 groups - A B C
( o) w( ` V: d% C5.39.217.76weigh A & B (ex. B heavier)
. I! ~$ b( ` i% ?( `' A" ntvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)
* v7 |! B6 {$ I) J9 P' a. |- {" Ato find which group has the weight difference and find out is it (A is lighter)' e) E% b- G: ~- C! O8 l9 p# \
heavier or lighter
- f& [1 p: P% N! X; a1 ~# Pthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)tvb now,tvbnow,bttvb( P8 F' Q9 U. E3 |5 E6 F
measure E vs F to find which 1 is lighter.... |