take 4 balls as a group, 3 groups - A B C
# P) L0 t# S* E- itvb now,tvbnow,bttvbweigh A & B (ex. B heavier)
! Q* P4 ]& f0 u& e" b6 utvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)
; M* U! O$ ]0 d1 C0 i( rtvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter)" m3 J7 R5 w% l3 \
heavier or lighter
l: U7 d3 L. s# `/ o0 \公仔箱論壇then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
+ J m% s" i" a4 ^www2.tvboxnow.commeasure E vs F to find which 1 is lighter.... |