take 4 balls as a group, 3 groups - A B C
2 P; P" K+ B0 {4 Z! t- R" m! itvb now,tvbnow,bttvbweigh A & B (ex. B heavier)
+ n" F$ }$ r- o公仔箱論壇then weigh B & C (B & C same weight)
7 c3 ?6 ?7 a% Y+ A, J Q公仔箱論壇to find which group has the weight difference and find out is it (A is lighter)5.39.217.76" ?2 E* Y. Y' [
heavier or lighter
3 w/ r. I: c0 D N1 ithen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
7 c7 ~ L! j. ?' B# x) Mmeasure E vs F to find which 1 is lighter.... |