Meet the requirements. Official website, Education Bureau of Liaoning Province, showed that the reason why Liaoning Province used the B version of the mathematics textbook of People's Education Publishing House (hereinafter referred to as "People's Education Edition") was because the textbook met the requirements of the Ministry of Education for mathematics education, and it was proved to have good teaching effect after repeated examination and trial by education experts, teachers, parents and students. In addition, the mathematics textbook of People's Education Edition is also a classic mathematics textbook, which adheres to the detailed, comprehensive and rigorous teaching concept and is one of the textbooks recognized by the Ministry of Education.