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睇睇.. 完全唔識- -
lets try
take 4 balls as a group, 3 groups - A B C
9 w7 J: D5 U9 |/ O8 Z. fweigh A & B (ex. B heavier)/ q# P! r+ g8 E. ?
then weigh B & C (B & C same weight)# ~/ }* X5 W% S, Y/ D
to find which group has the weight difference and find out is it (A is lighter)tvb now,tvbnow,bttvb# T  d# L6 L! d: i1 d2 V0 T9 g
heavier or lighter
& q0 {. Z" ]' `then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter)
- \" ^$ o+ G6 ]5 A2 kmeasure 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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