Chapter 11 congruent triangles (1 1. 1 congruent triangles 1 1.2 triangle congruence judgment; The properties of angular bisector 1 1.3).

Chapter XII Axisymmetric (12. 1 axisymmetric 12.2 as an axisymmetric figure 12.3 isosceles triangle)

Chapter 13 Real Numbers (13. 1 square root 13.2 cube root 13.3 real numbers)

Chapter XIV Linear Functions (14. 1 variables and functions 14.2 linear functions 14.3 Viewing equations and inequalities from the perspective of functions)

Chapter 15 Algebraic Multiplication, Division and Factorization (15. 1 algebraic multiplication formula 15.2 multiplication formula 15.3 algebraic division 15.4 factorization)