take 4 balls as a group, 3 groups - A B C
4 d4 |5 s+ G2 t& M# w公仔箱論壇weigh A & B (ex. B heavier)8 n; i: H8 @* K: ~1 D7 R
then weigh B & C (B & C same weight)
U) E5 `! j1 ~$ h- C# otvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter)5.39.217.77:8898$ R1 v/ N C$ L6 Z3 q4 N& n
heavier or lighter
+ i! F/ J) ?! t$ m) Kthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
! |' I1 C8 J% ^& b, ^tvb now,tvbnow,bttvbmeasure E vs F to find which 1 is lighter.... |