1. Review after class: After class every day, in addition to finishing the homework assigned by the teacher, we should also review the knowledge of the day, especially sorting out the wrong questions in the homework, extracting the wrong questions into the wrong book, summarizing the reasons and solutions of the wrong questions, and then doing it again. Deepen the impression. Conceptual knowledge points should be memorized.

2. Important wrong question book: Collect the wrong questions in the wrong question book and rearrange the wrong questions according to the method mentioned in the after-class review. Finally, find out what grade your grade is in your class or grade. This is not too concerned about grades, but a good way to know your own strength.

3, review before the exam: generally do not do too many questions before the exam, just take out the wrong question book and read it again, look at the questions that are not sure, or have problems, and have a rest. Good mental state is very important in the exam.

4. Post-test summary: When you get the test paper, look at your own mistakes, analyze the wrong questions, whether you are ignorant or careless, and solve the problems in a targeted manner.

Introduction to mathematics:

Mathematics is a universal means for human beings to strictly describe the abstract structure and mode of things, and can be applied to any problem in the real world. All mathematical objects are artificially defined in essence. In this sense, mathematics belongs to formal science, not natural science. Different mathematicians and philosophers have a series of views on the exact scope and definition of mathematics.

Refer to the above? Baidu encyclopedia-mathematics