Answer: 1. These two are helpful for learning IT, depending on the degree you want to learn. The deeper you learn, the more useful these two are. If you just study, math/English doesn't matter.

2. It also includes many parts, such as software/hardware/e-commerce.

3. Software programming is similar to doing math problems, which requires some mathematical thinking; Programming is to use some simple English words, which is not very difficult.

4. English textbooks for studying or studying abroad have high requirements for English, but generally have low requirements.