xmxmgsm

:onion31:

nick1314f

very hard question, what is the answer?

sings

15.......

chingjoopang

.........

leezhao2000

有頭緒,不過太複雜' b  Y/ h( F+ p, Q% o  s, K
設共有X頭牛,
9 l  |$ ]" I- T, i: t( [tvb now,tvbnow,bttvb四個人共得X頭牛,就有以下等式:
0 a9 A4 C" ]* J" X& Z$ h) `% l
! P' c% {$ z0 W, itvb 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=x
- ~3 n# Y7 Y( O5.39.217.76由於太複雜,暫我時間去計,哈哈

leezhao2000

計到啦,X=15
; c" b" H2 ~" Q7 w% ]. l( U# {# ]5.39.217.76

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