1, familiar with textbooks. It is necessary to be familiar with his textbooks. Textbooks must be changed when you are in the first year of high school.

2. Necessary reference books. Go to the bookstore or library, borrow or buy a teacher's book or teaching reference book that is synchronized with the teaching materials. There are many ambiguous issues that will be elaborated in the book.

The math problems in your freshman and senior year are no problem for you. Don't be afraid that you don't understand The key is to explain clearly ~ good luck ~