一个英文老师出了一道这样的难题, V|dKKb[Lve
题目是这样子的: $;+`sVG
____is bette rthan the god. Bbx.RL.V
____is worse than the evil. "PPn^{bYm
if you eat____,you will die. !7[Rhk7bW
(三个空格必须是同一个字) +xtR`Y"
<?iwi[S
y3C$%yv0
LaiUf_W #X
设上帝之善是+∞ s"]LQM1|
恶魔之恶是-∞ uBC*7Mkm
令所求为x X<"W@
则x>+∞ g8w5X!Z
x<-∞ )Ikx0vDFQ
∴x属於空集合 <El6?ml@
∴x=nothing A@"CrVE
r&ex<(I{
answer: 47XQZ-}4
nothing is better than the god. C_Z[ul
nothing is worse than the evil. n.Q?@\}2
if you eat nothing,you will die.