The books of him are as many as mine.和His books are as many as mine.

The books of him are as many as mine.和His books are as many as mine.
The books of him are as many as mine.和His books are as many as mine.

The books of him are as many as mine.和His books are as many as mine.
意思是一样的,只是结果不一样罢了.
这个考的是：用of+n所有格表示跟adj一样的功能
例如：the bike of mine is new等于my bike is new
呵呵就这些了,希望对你能有帮助

一样。
如果一定要区别、
前者强调的是书 后者强调的是书的拥有者

一样