xmxmgsm

:onion31:

nick1314f

very hard question, what is the answer?

sings

15.......

chingjoopang

.........

leezhao2000

有頭緒,不過太複雜
! N( g$ O: n( M7 \! B7 W7 @tvb now,tvbnow,bttvb設共有X頭牛,& m5 J( Y1 V6 C& T: J) k- u) o, \
四個人共得X頭牛,就有以下等式:
6 u4 t* t. K0 `, U. G* P+ [7 x: T
& {6 h7 I* ]' ^3 gx/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
8 e" a2 j) @$ L公仔箱論壇由於太複雜,暫我時間去計,哈哈

leezhao2000

計到啦,X=15tvb now,tvbnow,bttvb* t3 X# r& `: G, R, j7 q' P+ O, l

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