一个英文老师出了一道这样的难题, 3%XG@OgP
题目是这样子的: \4OK!6LkI
____is bette rthan the god. d4ic9u*D
____is worse than the evil. 5\VxXiy0
if you eat____,you will die. ewo*7j4*
(三个空格必须是同一个字) xttYn]T
U8YO0}_z
kfVZ=`p}
R @"`~#$$
设上帝之善是+∞ ]a)IMIh;
恶魔之恶是-∞ ab{;Z5O
令所求为x y0;,dv]
则x>+∞ xYmdCf@H
x<-∞ fzl=d_
∴x属於空集合 CP +4k.)*O
∴x=nothing m+H% g"Zj
L5/mO6;k
answer: >Z}@7$(7!~
nothing is better than the god. _ ~|Q4AJ
nothing is worse than the evil. 7 xUE,)?
if you eat nothing,you will die.