xmxmgsm

:onion31:

nick1314f

very hard question, what is the answer?

sings

15.......

chingjoopang

.........

leezhao2000

有頭緒,不過太複雜公仔箱論壇# v& t. w  R% Z  ?6 ~% y5 ^
設共有X頭牛,
( D$ {1 E. a: ~" e+ L& v( Y" a. {四個人共得X頭牛,就有以下等式:# i0 N- Z$ T% }( a' J( [! r

1 p5 ]) |: ]: B3 x; }+ O公仔箱論壇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=xtvb now,tvbnow,bttvb; o5 V( h4 f6 N) P% I  t
由於太複雜,暫我時間去計,哈哈

leezhao2000

計到啦,X=15  T) z% l" x0 m7 {! G! p, Z. f0 u; r

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