xmxmgsm

:onion31:

nick1314f

very hard question, what is the answer?

sings

15.......

chingjoopang

.........

leezhao2000

有頭緒,不過太複雜$ _% B2 [9 E: N  I6 A
設共有X頭牛,7 o% O1 g2 V' l) [
四個人共得X頭牛,就有以下等式:/ I9 W- c$ h- P" J6 b2 z; W3 J, H6 x
: c% t7 N& x. [2 n6 ^) g
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
' A- F7 G& K" Q% Z; P, m2 v公仔箱論壇由於太複雜,暫我時間去計,哈哈

leezhao2000

計到啦,X=15
+ U+ L7 s: E2 @+ ^7 N5.39.217.76

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