xmxmgsm

:onion31:

nick1314f

very hard question, what is the answer?

sings

15.......

chingjoopang

.........

leezhao2000

有頭緒,不過太複雜. `$ p7 d" ?/ W9 e
設共有X頭牛,0 Y$ C' I% m9 g$ S7 R  b) s
四個人共得X頭牛,就有以下等式:5.39.217.76% x0 Y& t! K1 b& z$ Q$ |+ i* X
2 u9 o/ G$ K, O
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=x0 i  }+ b; z; K7 m+ s
由於太複雜,暫我時間去計,哈哈

leezhao2000

計到啦,X=15
, l6 t8 p3 L- i5.39.217.76

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