一个英文老师出了一道这样的难题, Z E},xU%
题目是这样子的: ,Je9]XT
____is bette rthan the god. sfEy
____is worse than the evil. 1}I%yOi)
if you eat____,you will die. DE14dU
(三个空格必须是同一个字) 4-\gha
2S_7!|j
&^b mZj!
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设上帝之善是+∞ :|E-Dx4F6H
恶魔之恶是-∞ (n~GKcA
令所求为x WH0$v#8`v
则x>+∞ WB>M7MI%
x<-∞ >=3ay^(Y2D
∴x属於空集合 =%G<S'2'
∴x=nothing a*KJjl?k
H{fOAv1*
answer: W .bJ.hO*
nothing is better than the god. .VfBwTh7q8
nothing is worse than the evil. :k7h"w
if you eat nothing,you will die.