xmxmgsm

:onion31:

nick1314f

very hard question, what is the answer?

sings

15.......

chingjoopang

.........

leezhao2000

有頭緒,不過太複雜: ^# g2 S3 F( z2 c& O4 }
設共有X頭牛,  `3 z4 E; D. X6 C: S
四個人共得X頭牛,就有以下等式:公仔箱論壇: x* G7 Z7 N3 C, S* D! D2 d
tvb now,tvbnow,bttvb5 ~1 r1 C1 l; H) Y' i
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
8 W# j5 m$ x1 V/ K7 R% |- T2 L公仔箱論壇由於太複雜,暫我時間去計,哈哈

leezhao2000

計到啦,X=15
+ Z+ X* }. b% e  E  D# i2 ~$ ]- H公仔箱論壇

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