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Tianjin ninth grade second volume mathematics
The first volume:

Chapter 1 Basic knowledge of algebra

1. 1 algebraic formula

1.2 column algebraic expression ...................................................................................................................................................................

1.3 generation value 14.

1.4 formula

Read about savings interest.

1.5 simple equation

Summarize and review

Review the first question.

Self-test 1-4 1.

Chapter II Rational Numbers

The meaning of rational number

2. 1 positive and negative numbers 44

2.2 Counting axis

2.3 The opposite number

2.4 absolute value

The operation of two rational numbers

2.5 addition of rational numbers

2.6 subtraction of rational numbers

I learned that China was the first country to use negative numbers.

2.7 addition and subtraction mixed operation of rational numbers

Read the actual positive and negative numbers 92.

2.8 multiplication of rational numbers

2.9 Division of rational numbers 102.

Read and average. ...........................................................................................................................................................................

2. The rational power of10 ............................................ 1 10.

2. Mixed operation of11rational number .......................................... 1 15

2. 12 divisor and significant number .................................................... 120

2. 13 simply calculate the number ................................... 126 with a calculator.

Summarize and review

Review Question 2 ................................................................................................135.

Self-test 2 139.

Chapter III Addition and subtraction of algebraic expressions

3. 1 algebraic expression .................................... 142.

3.2 ................................................................... 15 1

3.3 Delete brackets and add brackets.

3.4 Addition and subtraction of algebraic expressions .................................................. 166

Read a rich number-0 ..........................................171.

Summarize and review

Review question 3 ..............................................................................................................................................................................

Self-test 3 179.

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 ........................................ 192

Read equation 2 10.

4.4 the application of one-dimensional linear equation 2 12

Read stories about algebra.

Summarize and review

Review question 4 240.

Self-test 4 ... Self-test 4 ... Self-test 4 ... Self-test 4.

Appendix I Square Table and Cubic Table

Appendix 2 Practice Answers

Appendix III Comparison Table of Chinese and English Vocabulary

The second volume:

Chapter V Binary Linear Equations

5. 1 binary linear equations

5.2 Using method of substitution to Solve Binary Linear Equations

5.3 Solve binary linear equations 17 by addition and subtraction.

5.4 Examples of solutions of ternary linear equations

5.5 Application of Primary Principal Groups

Read China's ancient linear equations.

Summarize and review

Review question 5 ..............................................................................................................................................................................

Self-test 5 5 1.

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

Reading the same solution inequality 74

6.4 One-dimensional linear inequalities and their solutions

Summarize and review 8 1.

Review question six

Self test 6 ...........................................................................................................................................................................

Chapter VII Multiplication and Division of Algebraic Expressions

Multiplication of algebraic expressions

7. Multiplication operation of1same base power

7.2 Power and products

7.3 monomial multiplication 103.

7.4 Multiplication of monomial and polynomial 109.

7.5 Polynomial Multiplication ........................................................................................................................................ 1 15

Quadratic formula

7.6 square difference formula

7.7 Complete Square Formula

Read about the popularization of (a+b)2 .............................. 135.

Division of three algebraic expressions.

7.8 Division of the same radix power .........................................................................................................................................................................

7.9 monomial divided by monomial 145.

7. 10 polynomial divided by monomial

Summarize and review

Review question 7 ..............................................................................................................................................................................

Self-test 7 160.

Appendix 1 answers to some exercises

Appendix II Comparison Table of Chinese and English Vocabulary