xmxmgsm

:onion31:

nick1314f

very hard question, what is the answer?

sings

15.......

chingjoopang

.........

leezhao2000

有頭緒,不過太複雜
; U: `: |* \: N& htvb now,tvbnow,bttvb設共有X頭牛,tvb now,tvbnow,bttvb; A$ z" o7 Y5 D2 i
四個人共得X頭牛,就有以下等式:tvb now,tvbnow,bttvb' {- Q1 f5 Z, X* F
公仔箱論壇& Y% |( n0 F( j& U' w  x% i- ]
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$ H3 q$ I6 z8 h, G3 z' p7 O, V
由於太複雜,暫我時間去計,哈哈

leezhao2000

計到啦,X=15
6 s2 _+ m1 N. `2 |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