These two books are not very good. Mathematics 5.3 of liberal arts has no foundation, but it is all exercises. The master of college entrance examination is a new book. It is recommended to use the review materials used by the teacher. Because you say that the foundation is not good, you should follow the teacher, be familiar with the textbook, and there are exercises behind the textbook. Many college entrance examination questions are variants of which questions. The most important political topic must be the original words on the endorsement. After reading a topic, what knowledge points Lenovo can think of are listed on the draft paper and then answered in the original text of the textbook. Answer as many as possible, but be concise.