The high number of internet of things is very important, and the core of software algorithm is mathematical model. So we must study hard.

1. Preview the textbook before class and have a certain proficiency in the whole textbook. As soon as the teacher explained, he knew what the teacher was saying.

Build up your confidence and don't be afraid when you feel difficult.

I won't communicate with the teacher much after the teacher gives a lecture.

4. You can practice doing problems on some university apps.

5. Read more original questions in the textbook during the final exam.

6. Finally, the teacher doesn't have to read the whole book, but he must establish a high number system. Familiar with the whole and parts.