Brushing questions is one of the important links in mathematics review for postgraduate entrance examination. Brushing questions can help you better understand concepts, consolidate knowledge, improve problem-solving ability and enhance confidence. At the same time, brushing questions can also help you find your weak links and adjust your review plan in time.

When you brush the questions, you can start with the basic questions and gradually increase the difficulty. At the same time, you can also choose some classic textbooks and test papers to practice.