take 4 balls as a group, 3 groups - A B Ctvb now,tvbnow,bttvb* k Z) P- J6 ]/ u5 x
weigh A & B (ex. B heavier)
4 u, w4 P1 P5 v! H' z+ H1 los.tvboxnow.comthen weigh B & C (B & C same weight)
: t. I, j: w! m, Z& ios.tvboxnow.comto find which group has the weight difference and find out is it (A is lighter)
1 M$ _) _4 W/ s; d# e3 Xtvb now,tvbnow,bttvbheavier or lighter
! s$ k2 \; {% h# oos.tvboxnow.comthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
/ t' J" ]0 ]* F, a( zos.tvboxnow.commeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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