take 4 balls as a group, 3 groups - A B C
! `1 |7 K! s" k: ^公仔箱論壇weigh A & B (ex. B heavier)tvb now,tvbnow,bttvb; z- @$ k& `$ S: r7 ]6 r( f* A
then weigh B & C (B & C same weight)7 Z* e7 U7 N0 G+ z" y: k
to find which group has the weight difference and find out is it (A is lighter)
1 e+ {2 i! F* z! o% w0 q. Cwww3.tvboxnow.comheavier or lighter
* m9 k- ^' p% t/ P: A8 ^公仔箱論壇then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)tvb now,tvbnow,bttvb: T6 h; {6 I- |$ C* M1 i* q9 \4 o$ K
measure E vs F to find which 1 is lighter.... |