代数 第1册 上PDF电子书下载

Some Common Symbols in the Book 1

Chapter 1 Primary Knowledge of Algebra 2

1.1 Algebraic Expressions 4

1.2 Making Algebraic Expressions 10

1.3 Values of Algebraic Expressions 14

1.4 Formulas 18

Have a Read The Interest of Deposit 22

1.5 Simple and Easy Equations 24

Summary and Review 31

Review Exercise 1 34

Self-examination 1 38

Chapter 2 Rational Numbers 39

Ⅰ Meaning of Rational Numbers 41

2.1 Positive and Negative Numbers 41

2.2 Number Axis 48

2.3 Opposite Numbers 54

2.4 Absolute Value 57

Ⅱ Calculations of Rational Numbers 62

2.5 Adding Rational Numbers 62

2.6 Subtracting Rational Numbers 72

Have a Read China is the Earliest Counntry to Use Negative Numbers 77

2.7 Mixed Operation of Adding and Subtracting Rational Numbers 79

Have a Read Positive and Negative Numbers in Practice 83

2.8 Multiplying Rational Numbers 85

2.9 Dividing Rational Numbers 93

Have a Read Find Means 98

2.10 Involution of Rational Numbers 100

2.11 Mixed Operation of Rational Numbers 105

2.12 Approximate Numbers and Significant Figures 110

2.13 Using a Calculator to Perform Simple Calculations of Numbers 116

Summary and Review 122

Review Exercise 2 125

Self-examination 2 128

Chapter 3 The Addition and Subtraction of Integral Expressions 129

3.1 Integral Expressions 131

3.2 Like Terms 138

3.3 Dropping and Adding Parentheses 144

3.4 Adding and Subtracting Integral Expressions 150

Have a Read The Number with Abundant Content:0 154

Summary and Review 156

Review Exercise 3 159

Self-examination 3 162

Chapter 4 Linear Equations with One Unknown 163

Ⅰ Equalities and Equations 165

4.1 Equalities and Their Properties 165

4.2 Equations and Their Solutions 170

Ⅱ Solutions and Applications of Linear Equations with One Unknown 174

4.3 Linear Equations with One Unknown and Their Solutions 174

Have a Read Equations With the Same Solution 189

4.4 Applications of Linear Equations with One Unknown 191

Have a Read The Story on Algebra 210

Summary and Review 212

Review Exercise 4 215

Self-examination 4 219

Appendix Ⅰ Table of squares and Table of Cubes 221

Appendix Ⅱ Answer key 228

Appendix Ⅲ Some Terms in the Book with Chinese Translation 246