xmxmgsm

:onion31:

nick1314f

very hard question, what is the answer?

sings

15.......

chingjoopang

.........

leezhao2000

有頭緒,不過太複雜
( T1 w8 E0 a5 L. O! X設共有X頭牛,公仔箱論壇1 ^) h8 L: j, p- z' F* y4 J
四個人共得X頭牛,就有以下等式:
1 a4 \( c: `1 a& R  t6 w9 G% h" A; j: }2 y
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
5 ?5 E0 v. X0 d- g6 _由於太複雜,暫我時間去計,哈哈

leezhao2000

計到啦,X=15
; i& W  T* W& p: R; w. 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