返回列表 回復 發帖
睇睇.. 完全唔識- -
lets try
take 4 balls as a group, 3 groups - A B C
$ y7 C& E7 p% @3 p* _9 sweigh A & B (ex. B heavier)7 b; m$ P2 ^6 j& u: X
then weigh B & C (B & C same weight)
5 W" B) D4 G" M* R* l' Rto find which group has the weight difference and find out is it (A is lighter)
- Q  {: T' S0 X公仔箱論壇heavier or lighter
! k! s" {0 ?0 I/ m公仔箱論壇then measure 2 vs 2 balls, EF vs GH, pick out the lighter group (EF lighter), Z: ^# {9 I( P! j
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
返回列表