take 4 balls as a group, 3 groups - A B C
% F) g- T, n0 y* F5.39.217.77:8898weigh A & B (ex. B heavier)公仔箱論壇( e0 Z X0 E- g! ~, D! }' N9 g
then weigh B & C (B & C same weight)
6 `+ s) L1 T$ F; `tvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter)+ ~5 _, [# L3 M; u1 F4 s) e. K; D$ t
heavier or lighter
5 S" \) b7 T; ~: t/ u, ^. Ctvb now,tvbnow,bttvbthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)tvb now,tvbnow,bttvb/ d9 X5 b' E. U+ H% I& ?. b
measure E vs F to find which 1 is lighter.... |