一个英文老师出了一道这样的难题, :grJ}i-D
题目是这样子的: ` IiAt S
____is bette rthan the god. X 6/k ` J
____is worse than the evil. {b[ 8x
if you eat____,you will die. nW3`Z1kq})
(三个空格必须是同一个字) _gjsAbM
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b,8W
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utC]GiR
设上帝之善是＋∞ Ujw A06
恶魔之恶是－∞ EaG3 :< >J
令所求为x c.Pyt
则x＞＋∞ JGp~A#H&
x＜－∞ ! q!
=VC
∴x属於空集合 /+ v l({vV
∴x=nothing iK1<4)
;OQ{
answer: K.n #;|
nothing is better than the god. v&%GK5j7O
nothing is worse than the evil. *? 7Ie;)
if you eat nothing,you will die.
