Recommend the following Olympic math books.
1, Olympic Mathematics course
Editor-in-chief Denton and Xiong Bin, East China Normal University Press.
The old textbooks of Olympic Mathematics are comprehensive, but the topics are relatively basic and there are many exercises.
2. zy Course of Mingxin Mathematics
Liu Jia, editor in chief, published by Hubei Education Press.
The zy Course of Mingxin Mathematics is the best teaching material for Olympic Mathematics in primary schools at present, and it is edited by the training institution of Liu Jia.
3. Training Guide of Olympic Mathematical Thinking in RH School
Published by China Encyclopedia Publishing House, it is divided into three or four grades and five or six grades.
Thinking guide can be said to be the most famous teaching aid for Olympic mathematics in primary schools. There is a legend that you can become an excellent Olympic math coach once you do thinking guidance.