一个英文老师出了一道这样的难题, dSbz$Fc t
题目是这样子的: &&te(DC\
____is bette rthan the god. hIwqSKq9
____is worse than the evil. (_eM:H=e>
if you eat____,you will die. %6TS_IpJ
(三个空格必须是同一个字) (^^}Ke{J
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设上帝之善是+∞ }Hb_8P
恶魔之恶是-∞ Y2(,E e2
令所求为x Fc a_(jw
则x>+∞ cfPQcB>A
x<-∞ 1#nY Z%
∴x属於空集合 EKzYL#(i
∴x=nothing /(Ryh6M
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answer: zq]:.s
nothing is better than the god. (+;%zh-
nothing is worse than the evil. >!#or- C
if you eat nothing,you will die.