cwylu

睇睇.. 完全唔識- -

kurt1412

lets try

sitsky

take 4 balls as a group, 3 groups - A B Ctvb now,tvbnow,bttvb( O9 z) ^% E; J1 O
weigh A & B (ex. B heavier)
$ l. S0 R: _* d. y0 {% D/ F- b, B# Nthen weigh B & C (B & C same weight)& U" H% S  ]+ A: z0 w9 k! @
to find which group has the weight difference and find out is it (A is lighter)5.39.217.760 _3 T2 P3 x6 y
heavier or lighter
' a: O( S  Z/ i( G. cthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)2 V$ `: t) n4 U0 d* ]2 V! n
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