How are the elective courses in the current high school mathematics textbook (new curriculum standard) divided? I mean, there are so many elective courses, which are science courses and which are liberal arts courses? Compulsory courses 1, 2, 3, 4, 5 must be studied.

Liberal arts repeat 1 series of elective courses 1- 1 and1-2;

Science is more complicated. First, you have to take two series of elective courses, 2- 1, 2-2, 2-3.

However, you have to choose two more books from the elective course 4- 1 plane geometry, the elective course 4-2 matrix and transformation, the elective course 4-4 polar coordinates and parametric equation, and the elective course 4-5 inequality. Generally, your school will help you choose a specific one. (At least in Jiangsu)