一个英文老师出了一道这样的难题, 1jQz%^~
题目是这样子的: (\M&/X~q
____is bette rthan the god. <L:v2 8c
____is worse than the evil. RYmk6w!w
if you eat____,you will die. O8n\>p kI
(三个空格必须是同一个字) `N2zeFG
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设上帝之善是+∞ >m%\SuXq
恶魔之恶是-∞ 82>zu}
令所求为x dH?;!sJ
则x>+∞ -`#L rO;n
x<-∞ M="%NxuS
∴x属於空集合 %-H
∴x=nothing _?`3zm4
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answer: =3""D{l
nothing is better than the god. f+ J<sk
nothing is worse than the evil. =suj3.
if you eat nothing,you will die.