By analyzing the types of questions that appear on the exam, we systematically subdivide the types according to the concepts and solution methods required to solve the problem, and organize them into high-difficulty problems that must be known in middle school mathematics, so that you can perfectly prepare for high-difficulty problems.
It is designed to help you master problems from the most difficult to the most difficult by using the [Workbook], which allows you to check your learning achievements based on the previously learned content, and the [Incorrect Answer Notebook], which allows you to review incorrect problems.