take 4 balls as a group, 3 groups - A B C公仔箱論壇# a6 W5 q) j; P$ U" o/ X
weigh A & B (ex. B heavier)
; F! s1 \9 O& L0 A* x* Uthen weigh B & C (B & C same weight)tvb now,tvbnow,bttvb( B6 h8 H8 Q* z* [
to find which group has the weight difference and find out is it (A is lighter)
l: [3 h4 w% a0 ^) ctvboxnow.comheavier or lighter
V8 O) e/ s4 Q6 l# d* lthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)tvb now,tvbnow,bttvb$ f. I1 n d. x) u4 C4 I. o
measure E vs F to find which 1 is lighter.... |