问maths book为什么加s

因为math是mathematics的缩写，所以maths book要加s。

例句1.He can't grasp the basic concepts of mathematics.他无法掌握数学的基本概念。

2. Mathematics was never my strong point.数学从来不是我的强项。

3. I am sensible of the fact that mathematics is not a popular subject.我知道数学课不受欢迎。