xmxmgsm

:onion31:

nick1314f

very hard question, what is the answer?

sings

15.......

chingjoopang

.........

leezhao2000

有頭緒,不過太複雜
& i* w( s" L1 B' X公仔箱論壇設共有X頭牛,5.39.217.76& J3 M4 a8 G# Y
四個人共得X頭牛,就有以下等式:5.39.217.76  R. m1 r: P$ j0 S

. U! }; D0 l5 \. t3 t$ lx/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
, N% k6 I: _' G公仔箱論壇由於太複雜,暫我時間去計,哈哈

leezhao2000

計到啦,X=15
, {+ k" _( S; D2 B. C* |3 S8 y0 O

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