xmxmgsm

:onion31:

nick1314f

very hard question, what is the answer?

sings

15.......

chingjoopang

.........

leezhao2000

有頭緒,不過太複雜
5 s1 n) g; m  u8 c8 c. A設共有X頭牛,tvb now,tvbnow,bttvb6 b, h3 c* ~4 h$ p+ ^+ N1 i6 d
四個人共得X頭牛,就有以下等式:5.39.217.76+ e$ M. S/ l# z  y- R* r

7 D- q. l5 w+ y1 z6 `2 y" l5 u- dtvb now,tvbnow,bttvbx/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
* h: a# [* g1 b由於太複雜,暫我時間去計,哈哈

leezhao2000

計到啦,X=15
9 C+ v2 t  o* P! i, Ktvb now,tvbnow,bttvb

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