In the national volume 202 1, mathematics has started a round of review. What materials should I buy to improve myself (most exams are above 120)?
A volume of mathematics is generally above 120, and the basic knowledge should be no problem. At this time, the knowledge review is basically over. Special training can be conducted for those questions that often make mistakes in the usual exams, such as the golden paper and 38 sets of Tian Li, which are all good choices. There is special training, mainly persistence.