1. 1 algebraic expression
1.2 column algebraic expression
The value of 1.3 algebraic expression
1.4 formula
1.5 simple equation
Chapter II Rational Numbers
The meaning of rational number
2. 1 positive and negative numbers
2.2 number axis
2.3 reciprocal
2.4 absolute value
The operation of two rational numbers
2.5 addition of rational numbers
2.6 subtraction of rational numbers
2.7 addition and subtraction mixed operation of rational numbers
2.8 multiplication of rational numbers
2.9 Division of rational numbers
2. Rational Power of10
2. Mixed operation of11rational number
2. 12 approximation and significant figures
2. 13 simply calculate numbers with a calculator
Chapter III Addition and subtraction of algebraic expressions
3. 1 algebraic expression
3.2 Similar projects
3.3 Delete brackets and add brackets
3.4 Addition and subtraction of algebraic expressions
Chapter IV One-variable Linear Equation
equation
4. 1 equation and its properties
4.2 equation and its solution
Solution and application of quadratic equation
4.3 One-variable linear equation and its solution
4.4 Application of one-dimensional linear equation
Chapter V Binary Linear Equations
5. 1 binary linear equations
5.2 Using method of substitution to Solve Binary Linear Equations
5.3 Using addition and subtraction to solve binary linear equations
5.4 An example of the solution of ternary linear equations
5.5 Application of Primary Principal Groups
Chapter VI One-dimensional Linear Inequalities and One-dimensional Linear Inequalities.
6. 1 inequality and its basic properties
6.2 Solution Set of Inequality
6.3 One-dimensional linear inequality and its solution
6.4 One-dimensional linear inequality system and its solution
Chapter VII Multiplication and Division of Algebraic Expressions
Multiplication of algebraic expressions
7. The same base power of1
The power of the product of the power sum of 7.2
7.3 monomial multiplication
7.4 Multiplication of Monomial and Polynomial
7.5 Polynomial Multiplication
Quadratic formula
7.6 square difference formula
7.7 Complete Square Formula
Division of three algebraic expressions.
7.8 Division of powers with the same base number
7.9 Single item divided by single item
7. 10 polynomial divided by single term