1, the role of mathematical model in solving practical problems.

2. Proof of inequality in middle school mathematics.

3. Combinatorial Mathematics and Middle School Mathematics.

4. The application of construction method in solving mathematical problems.

5. Discussion on mathematics teaching methods in new textbooks for senior high schools.

6. Proof method of combinatorial mathematical identities.

7. Talking about middle school mathematics education.

8. Talking about the geometric proof method of inequality in middle school.

9. Cultivating students' creative thinking ability in mathematics education.

10, the application of advanced mathematics in elementary mathematics.

1 1, the application of vector in geometry.

12, the application of situational awareness in mathematics teaching.

13, high school mathematics application problem compilation and some problem-solving methods.

14. On the application of reduction to absurdity in middle school teaching.

15. Explore the proof method of line segment equality.

16. Study on the existence of positive solutions for several second-order boundary value problems with parameters.

17, a special case of Diophantine equation1+x+y = z.

18, properties and applications of variable limit integral function.

19, iteration of functions on finite sets and its application.

20. Action research on the changes of classroom environment in primary schools.

2 1. Research on the application of thematic teaching mode in primary school mathematics under the network environment.

22. Research on teaching strategies to cultivate primary school students' interest in mathematics learning.

23. Research on the intervention of mathematics learning strategies to improve the executive function of fifth-grade children in primary schools.

24, the cultivation of primary school students' innovative thinking in mathematics.

25. Promote primary school students to participate in the study of mathematics strategies in mathematics classroom.

26. Let students truly become the masters of learning.

27, the focus of classroom teaching reform.

28, talk about the implementation of quality education in primary school mathematics teaching.

29, quality education and primary school mathematics education reform.

30. On the cultivation of students' mathematical thinking ability.