Chapter 65438 +0 rational number

1. 1 quantities with opposite meanings 1.2 axis, reciprocal, absolute value.

1.2. 1 axis 1.2.2 reciprocal

Comparison of Rational Numbers of Absolute Value of 1.2.3 1.3

1.4 rational number addition (1) 1.4 rational number addition (2)

1.5 rational number subtraction 1.6 rational number multiplication (1)

1.6 multiplication of rational numbers (2) 1.7 division of rational numbers

Power of 65438 +0.8 rational number (1) Power of 65438 +0.8 rational number (2)

The mixed operation of 1.9 rational number 1. 10 is calculated by a calculator.

Chapter II Algebraic Formulas

2. 1 Numbers are represented by letters. 2.2 Column Algebraic Expressions

2.3 Polynomials 2.4 Merge Similar Terms

2.5 Value of Algebraic Formula 2.6 Addition and subtraction of linear formula

Chapter III Graphic Appreciation and Operation

3. 1 graphic appreciation 3.2 plane graphics and space graphics

3.3 Observation Object 3.4 Graphic Operation

Chapter 4: The model and algorithm of linear equation with one variable.

4. 1 unary linear equation model 4.2 Algorithm for solving unary linear equation (1)

4.2 Algorithm for Solving Unary Linear Equation (2) 4.3 Application of Unary Linear Equation (1)

4.3 the application of linear equation of one variable (2) 4.3 the application of linear equation of one variable (3)

Chapter V One-dimensional Linear Inequalities

5. Basic properties of 1 inequality 5.2 Solution of one-dimensional linear inequality (1)

5.2 Solution of One-dimensional Linear Inequality (2) 5.3 Application of One-dimensional Linear Inequality

Chapter 6 Data Collection and Description

6. 1 Data Collection 6.2 Statistical Chart (1)

6.2 Statistical Chart (II) 6.3 Average, Median and Mode (1)

6.3 Average, Median and Mode (2)