xmxmgsm

:onion31:

nick1314f

very hard question, what is the answer?

sings

15.......

chingjoopang

.........

leezhao2000

有頭緒,不過太複雜tvb now,tvbnow,bttvb  D$ s$ A/ z, F) n! z! X  l) K* p
設共有X頭牛,; G+ d% x/ j1 C; l3 U
四個人共得X頭牛,就有以下等式:
0 y% h3 {' ~( D9 S, ~, G公仔箱論壇9 C. b: P- \* ~% f6 F" c
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
% O' H% x* L1 N0 d由於太複雜,暫我時間去計,哈哈

leezhao2000

計到啦,X=15
0 P, y6 [: l3 {6 N9 V

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