xmxmgsm

:onion31:

nick1314f

very hard question, what is the answer?

sings

15.......

chingjoopang

.........

leezhao2000

有頭緒,不過太複雜) b% `4 A- Y$ u# ^0 S
設共有X頭牛,
4 G' w* H, ~" l) c" d; q四個人共得X頭牛,就有以下等式:公仔箱論壇! B4 @+ h- Y: M: S1 i1 r3 I

$ }: V: c  T( y3 w* v) [1 ?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# N* U: B$ A. p: y
由於太複雜,暫我時間去計,哈哈

leezhao2000

計到啦,X=15
' h' [& t* T% \; C2 v! V- P/ C公仔箱論壇

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