take 4 balls as a group, 3 groups - A B Ctvb now,tvbnow,bttvb1 E1 E1 ]8 _" n8 {8 I% i
weigh A & B (ex. B heavier)
: o# n( ?: y/ E: R# e$ T5 E6 ~tvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)
2 n$ @, G$ x: g9 T, Wto find which group has the weight difference and find out is it (A is lighter)tvb now,tvbnow,bttvb6 N$ P( z7 Z# `
heavier or lighter公仔箱論壇# M8 R0 n& J4 b' q
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
* x! E) o6 q h3 i% ameasure E vs F to find which 1 is lighter.... |