I didn't want to answer this question. ... since you admit that you are not good at math, you must grasp the foundation. You focus on simple questions, not delving into them. Try to pass first. The speed of practicing simple questions privately after passing two or three exams in a row. Keep the questions simple and fast, and explore some difficult questions selectively. Make sure that the simple questions are done correctly during the exam, and think of one thing for the difficult questions. arrange