sitsky

take 4 balls as a group, 3 groups - A B C
; B" M3 u! d/ L& l1 Q4 mweigh A & B (ex. B heavier)公仔箱論壇' `8 l0 b+ h/ `$ N) r
then weigh B & C (B & C same weight)
, H+ k6 K: B9 @- d5.39.217.77:8898to find which group has the weight difference and find out is it (A is lighter)公仔箱論壇8 j+ `# r1 f. p. ~" @1 o# T4 F
heavier or lighter
7 ~7 B, o# k& S( `tvb now,tvbnow,bttvbthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)公仔箱論壇8 \/ n9 ]% v( o5 z$ X, C* `. t
measure E vs F to find which 1 is lighter....