cwylu

睇睇.. 完全唔識- -

kurt1412

lets try

sitsky

take 4 balls as a group, 3 groups - A B C
' {* W; d0 C$ D- O/ S* J3 k公仔箱論壇weigh A & B (ex. B heavier)
! E: u3 [( Q. {& x" o% p" Ptvb now,tvbnow,bttvbthen weigh B & C (B & C same weight)
% P% L+ u, q/ }* R" ~to find which group has the weight difference and find out is it (A is lighter)
6 B2 _: v& n8 Z5 O" |$ p公仔箱論壇heavier or lightertvb now,tvbnow,bttvb# ]6 m' o/ |7 ?. k1 A
then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)! J6 H' Z8 [9 J  ?! I! O$ L7 B
measure E vs F to find which 1 is lighter....

leona

简单！！

ryanfumin

easy

nasakao

???

PokChop

is it really tht hard?

wwwdog

thank you for your sharing!

roylife

???????????????

A__Bathing__Ape

唔識

co_147

thx

lj8808

;)) ;))

坦克拉

好難呀．．．．

坦克拉

分成a，b，c三堆，分别为5，5，2三堆，先称a与b，若平衡，则中a中取一个与c中任一个称，就得到结果。若a与b不平衡，假设a略重，重a中随机取3个出来加上c中任一个，b中取3个出来加c中的任一个，若平衡，则a中剩余一个就为异常。若a仍重

isabellacons

hv a look