take 4 balls as a group, 3 groups - A B C
. _7 N, X8 Z' J6 i" j4 K+ ]6 \weigh A & B (ex. B heavier)公仔箱論壇9 q3 m3 L* I# x
then weigh B & C (B & C same weight)公仔箱論壇' m# @2 Y+ L0 y. j2 D+ c' w
to find which group has the weight difference and find out is it (A is lighter)
( _. T" `1 t0 v' \tvb now,tvbnow,bttvbheavier or lighter0 ]+ k6 I0 g" J, ]' u( P9 [: m# P
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
* F' z$ l0 W C# I0 H. o: smeasure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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