take 4 balls as a group, 3 groups - A B Ctvb now,tvbnow,bttvb( `! `4 x- `- B) O) j0 W
weigh A & B (ex. B heavier)
1 J A6 Z! Z" u8 @+ d. I5 d公仔箱論壇then weigh B & C (B & C same weight)
" T4 r) ~. ^0 \+ C- F' Rto find which group has the weight difference and find out is it (A is lighter)
: X. H2 D- e1 w, ]0 \ n5.39.217.76heavier or lighter
# c2 m% Q- I" f# u* [1 h公仔箱論壇then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
. u3 Y) }: u6 }0 T' H公仔箱論壇measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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