take 4 balls as a group, 3 groups - A B C
. V$ d/ Y, r, C, x0 I( Dweigh A & B (ex. B heavier)
" j' [# ^' |% f" atvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)
9 [; D4 u i% y) \4 H* \4 Ktvb now,tvbnow,bttvbto find which group has the weight difference and find out is it (A is lighter)
' h# X" `9 n1 t( j/ k3 rtvb now,tvbnow,bttvbheavier or lighter
) D& N1 z& q: E# zthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)www3.tvboxnow.com$ E' r ]0 _. O3 d; \
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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