xmxmgsm

:onion31:

nick1314f

very hard question, what is the answer?

sings

15.......

chingjoopang

.........

leezhao2000

有頭緒,不過太複雜/ w+ M$ T- Y& A0 e
設共有X頭牛,
/ h; D1 c1 @4 s' a$ l3 c' \& _$ z四個人共得X頭牛,就有以下等式:
7 n  p' ]' s* X5 W2 t0 r9 S5.39.217.77. B, r6 g3 N6 f: a" J
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=x; J; N3 V* B+ D
由於太複雜,暫我時間去計,哈哈

leezhao2000

計到啦,X=155.39.217.77$ k/ a. M- m: x* }0 |

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