Generally speaking, the examination paper of science mathematics in Henan college entrance examination is not difficult. In 2023, the examination paper of science mathematics in Henan college entrance examination focused on original methods, downplayed special skills, emphasized in-depth understanding and comprehensive application of general methods, and promoted students to internalize knowledge and methods into their own knowledge structure.

The difficulty of the 2023 Henan college entrance examination science mathematics paper is related to everyone's mastery of knowledge points and the types of topics they are good at, as well as personal improvisation. The on-site status of college entrance examination candidates is very important.

Key points of national B-volume mathematics examination questions

The science 10 problem of China Volume B is a comprehensive problem of set, sequence and trigonometric function. The concept of set and the periodicity of trigonometric function can be solved by both the periodicity of trigonometric function and the combination of numbers and shapes.

Combined with the actual situation of rubber production, the processing effects of two processes on the expansion rate of rubber products are compared. With the help of the basic idea of hypothesis testing, the mean and variance of samples are used as statistical inference tools to examine the ability of candidates to analyze and solve problems by using the learned statistics and probability knowledge.

National science volume B 19, based on geometry, examines the relationship between space, line and surface.

The 2 1 question of science in volume B requires candidates to discuss the classification reasoning according to the nature of parameters, and to examine the order and rigor of candidates' thinking.