take 4 balls as a group, 3 groups - A B C8 f# K! o% h5 `% i2 }. u- P$ ~
weigh A & B (ex. B heavier)公仔箱論壇6 m; t3 g0 J# g+ g) L, a0 d& X2 ^
then weigh B & C (B & C same weight)
3 Q( v: v" f" q1 z0 l) zto find which group has the weight difference and find out is it (A is lighter)
% C6 s) d6 [% ^5 O; {tvb now,tvbnow,bttvbheavier or lighter5.39.217.77; ^7 C1 A! y% H$ {2 t
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)5.39.217.775 k' S6 F: q6 @- j
measure E vs F to find which 1 is lighter.... |
發表於 2006-12-6 04:55 PM
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