The textbooks for the second semester of senior high school mathematics in Tianjin are: Elective 22 and Elective 23 in version A of senior high school mathematics teaching.

Senior high school math teacher teaches Version A as an elective 22. Learning content: derivative and its application, reasoning and proof, expansion of number system, introduction of complex number.

Elective course A in senior high school mathematics teaching: counting principle, random variables and their distribution, binomial distribution and its application.