Japanese high school math is more difficult or China is more difficult.
China mathematics in Japanese senior high schools is simpler than that in China junior high schools, and it will be difficult to fly after college, but it is more difficult in China and the research is more in-depth. High school mathematics is divided into compulsory courses and elective courses. The compulsory content covers the concepts of set and function, basic elementary function, application of function, space geometry and the positional relationship between points, lines and planes.