一个英文老师出了一道这样的难题, MMjewGxe
题目是这样子的: p rO&"t
>
____is bette rthan the god. ^4WZ%J#g
____is worse than the evil. Q-h< av9
if you eat____,you will die. '2l[~T$*
(三个空格必须是同一个字) JT}"CuC
}6LcimQyK
)X #$G?|Hn
o&q:b9T
设上帝之善是＋∞ c)Q-yPMl)
恶魔之恶是－∞ M GC=L .
令所求为x ^Mm%`B7W
则x＞＋∞ =Cf@!wZ^
x＜－∞ w`boQ_Ir
∴x属於空集合 y46sL~HRv
∴x=nothing H '5zl^8I
_Iy)p{y
answer: w,6gnO
nothing is better than the god. /FXb,) 1t
nothing is worse than the evil. <AVWT+,
if you eat nothing,you will die.
