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睇睇.. 完全唔識- -
lets try
take 4 balls as a group, 3 groups - A B C
8 h- n7 o, U: j! l5 L; b/ ^! }weigh A & B (ex. B heavier)
% Q( Y$ K( ]' ]6 e" Cthen weigh B & C (B & C same weight)tvb now,tvbnow,bttvb5 i0 Z/ Y- d; `  B  l
to find which group has the weight difference and find out is it (A is lighter)- Y) V; k* M. X$ i/ A  w
heavier or lighter
& r) D7 W/ `1 C- rtvb now,tvbnow,bttvbthen measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
- \' T5 v3 ]8 q4 I* b2 `公仔箱論壇measure E vs F to find which 1 is lighter....
简单!!
easy
???
is it really tht hard?
thank you for your sharing!
???????????????
唔識
thx
;)) ;))
好難呀....
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

哈哈

hv a look
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