xmxmgsm

:onion31:

nick1314f

very hard question, what is the answer?

sings

15.......

chingjoopang

.........

leezhao2000

有頭緒,不過太複雜
2 W. S  B' J8 m! I& k" B5.39.217.76設共有X頭牛,. d: g6 x/ i/ {- o* _8 b8 i* ^
四個人共得X頭牛,就有以下等式:
1 J( L* j# I& j" J3 J4 p! Q公仔箱論壇  h) _5 l/ U7 G/ h# T. I+ `" ?
x/2+0.5+(1-(x/2+0.5))/2+0.5+(1-(1-(x/2+0.5))/2+0.5)/2+0.5+(1-(1-(1-(x/2+0.5))/2+0.5))/2+0.5=x: s/ e, P& s. H: e3 {; e- O
由於太複雜,暫我時間去計,哈哈

leezhao2000

計到啦,X=15  |& y0 a( z1 ~: p& H7 |# h) \0 }

r2069077

only 1??

酒后人生

:onion10: :onion10: :onion10:

jiun0204

frankiesdk

唔知道噢～～:onion03: :onion03:

noon91

想看答案。

2002224105

睇睇點分

ortatsun

thanks for share