The following will be answered in detail from the advantages, difficulties and preparation suggestions of the national examination paper.

First, the advantages of the national volume.

As a unified examination standard, the national unified examination paper has many advantages. First of all, it can avoid the uneven difficulty of test questions between different provinces and ensure fairness and justice.

Secondly, the national examination questions are relatively more comprehensive and have a larger coverage, which can better test candidates' knowledge reserves and test-taking ability. Finally, the national examination questions are generally more reasonable and scientific, more in line with the outline of the Ministry of Education, and ensure the quality and reliability of the examination.

Second, the difficulty of the national examination paper.

Although the difficulty of national paper is relatively stable than that of provincial paper, the difficulty also fluctuates. This is because the proposer of the national examination paper will adjust the difficulty of the examination paper in time according to the examination situation in recent years to ensure the fairness and reliability of the examination. Therefore, candidates need to pay close attention to the proposition trend and difficulty distribution of national test papers in recent years during the preparation period.

Third, prepare for the exam.

You need to master basic knowledge, especially math knowledge in junior high school and senior high school. Candidates also need to pay attention to understanding and mastering the application of mathematics, truly understand concepts and master methods, rather than memorizing formulas. At the same time, in the process of preparing for the exam, you need to pay attention to practice and do more test papers, problem sets and simulation papers to improve your ability and psychological quality.

Yunnan, Guangxi, Guizhou, Sichuan and Tibet are the provinces in the first grade. The national college entrance examination papers are National Grade A, National Grade B, New College Entrance Examination Volume I and New College Entrance Examination Volume II, and four independent proposition systems in Beijing, Tianjin, Shanghai and Zhejiang.

In short, in 2023, the national first-class examination paper will be adopted in Sichuan college entrance examination mathematics. Candidates need to prepare for the exam carefully, master mathematics knowledge comprehensively, pay attention to the trend of proposition and the distribution of difficulty, and make review plans and strategies scientifically and reasonably. I believe they can achieve excellent results.