miray

(29) answer should be C if x and y is not specified as integers..

Assume p=-1

Say x=2 and y=1/2, you will have p^(xy)=-1, while p^x=1

gwxd

麻烦斑竹解释一下第27和31题的思路

verse666

我看好象都对了.就是第9 题不知何意.