xmxmgsm

:onion31:

nick1314f

very hard question, what is the answer?

sings

15.......

chingjoopang

.........

leezhao2000

有頭緒,不過太複雜4 o/ F9 k' R2 u1 \" Y
設共有X頭牛,
( t6 D7 d% \0 g  w四個人共得X頭牛,就有以下等式:
% t, p$ j0 e) x  o; |& J5.39.217.76- k: E3 s* U  k3 T, T
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
" f% ^* C7 I2 e; u" ?5.39.217.76由於太複雜,暫我時間去計,哈哈

leezhao2000

計到啦,X=15
1 [3 e* c1 A# o1 `: j+ a5 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