xmxmgsm

:onion31:

nick1314f

very hard question, what is the answer?

sings

15.......

chingjoopang

.........

leezhao2000

有頭緒,不過太複雜
$ N% T  I% {2 v+ G% I: b設共有X頭牛,  Z+ \) W* P! d
四個人共得X頭牛,就有以下等式:$ G4 @% a# x8 b* E/ a7 Q2 y0 G& T

5 {# }/ }( Q  ]" r) btvb now,tvbnow,bttvbx/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=x7 o: Z2 O% T, e2 o) K. z( n
由於太複雜,暫我時間去計,哈哈

leezhao2000

計到啦,X=155 D6 x4 L) ]4 B1 M, V5 v: i

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