cwylu

睇睇.. 完全唔識- -

kurt1412

lets try

sitsky

take 4 balls as a group, 3 groups - A B C
+ x1 u& _: `* X1 f$ E1 G7 u5.39.217.76weigh A & B (ex. B heavier)/ {- A$ k& c8 _' v0 i0 R
then weigh B & C (B & C same weight)tvb now,tvbnow,bttvb: U, N( v6 U5 i  \. Q' N  b
to find which group has the weight difference and find out is it (A is lighter)公仔箱論壇" e% Z5 c: a5 S) p8 x5 I
heavier or lighter
, z- c5 L& B8 x8 T& athen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
5 ?! z' P1 O) B* F; x5.39.217.76measure 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