In 2020, the national college entrance examination mathematics examination paper has 5 pages and 23 questions (including multiple-choice questions). Full score 150. Examination time 120 minutes. The extended data national volume organized by the examination center of the Ministry of Education is applicable to most provinces and regions in China. The purpose of the college entrance examination paper is to ensure the fairness of talent selection. The national volume is divided into national volume A, national volume B and national volume C. ..