take 4 balls as a group, 3 groups - A B C
% F& [+ ] h4 R4 k# z% qweigh A & B (ex. B heavier)公仔箱論壇" |% L& d$ D, `4 P. Q
then weigh B & C (B & C same weight)
0 Q7 x% ~5 H& M" _7 T% Jto find which group has the weight difference and find out is it (A is lighter)os.tvboxnow.com. R8 r B, c% ]6 s
heavier or lighteros.tvboxnow.com$ I" t( o- J$ [. c; T# g7 J
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
! C! O3 Z/ S; L6 I umeasure E vs F to find which 1 is lighter.... |