In order to fully implement the Party's educational policy, conscientiously implement the opinions of the Ministry of Education on comprehensively deepening curriculum reform and implementing the fundamental task of educating people, accelerate the realization of educational modernization and build an educational power, and lay a good foundation for students' lifelong development, Hunan Education Publishing House hired more than ten mathematicians, mathematics education professionals and mathematics editors represented by Professor Zhang Jingzhong to form a textbook writing committee, and compiled the mathematics textbooks for ordinary high schools in Hunan Education Edition. The textbook editorial board follows the basic idea and target requirements established in the Mathematics Curriculum Standard for Ordinary Senior High Schools (20 17 edition), takes the development of students' mathematics core literacy as the guide, selects fresh materials that reflect the development of the times, scientific and technological progress and conform to students' life experience, and adopts a presentation mode that conforms to students' cognitive rules to help students further develop their thinking ability and experience in the process of acquiring necessary basic knowledge and skills, understanding basic mathematical ideas and accumulating basic mathematical activities.

The main features of this textbook are:

(A) based on the development of students, cultivate and improve students' mathematics core literacy.

(two) follow the teaching rules, pay attention to the scientific, rigorous and ideological nature of teaching materials, so that teaching materials are easy to teach.

(3) Follow students' cognitive rules, pay attention to the readability and exploration of teaching materials, and make students eager to learn.

(D) colorful column design to enhance the flexibility of teaching materials.