一个英文老师出了一道这样的难题, HqF8:z?v
题目是这样子的: $s]@%6f
____is bette rthan the god. zfo.S[R@
____is worse than the evil. @nT8[v
if you eat____,you will die. OT *W]f
(三个空格必须是同一个字) w5*18L=O\
teB{GR
Y4714
njq-iU
设上帝之善是+∞ hPk+vvXtK
恶魔之恶是-∞ =OHDp7GXO>
令所求为x ix#
则x>+∞ <.v6w*+{/
x<-∞ ncA2en?
∴x属於空集合 FN,uD:a
∴x=nothing nb|MHt PX
dY|jV}%T
answer: Q`s(T
nothing is better than the god. KJ#c(yb9zR
nothing is worse than the evil. |n|2)hC
if you eat nothing,you will die.