一个英文老师出了一道这样的难题, ?*a:f"vQ
题目是这样子的: {|6(_SM|
____is bette rthan the god. @
Sw[+`
____is worse than the evil. vO"Sy{)Z>
if you eat____,you will die. A - G?@U
(三个空格必须是同一个字) 5~ CHj
}Z- ]m
B`} ?rp
Mjrl KI}f/
设上帝之善是＋∞ %J?;@ G)r
恶魔之恶是－∞ Im1e/F]
令所求为x E[>4 b7{g:
则x＞＋∞ Zycu3%JI
x＜－∞ tQB+_q
z
∴x属於空集合 i!< ,8 e=
∴x=nothing DJ;G0*
,K8O<Mw8
answer: UfSWd R)
nothing is better than the god. ^ Pf FW
nothing is worse than the evil. ` a5$VV%J
if you eat nothing,you will die.
