A compulsory title page, a message from the copyright editor, is a guide to some mathematical symbols in this book. The first chapter is the concept of set and function 1. 1 set 1.2 function and its basic properties 1.3 function. Summary of practical work Review reference questions Chapter II Basic elementary functions (1) 2. 1 exponential function. 2.2 Logarithmic Function 2.3 Power Function Summary Review Reference Chapter 3 Application of Function 3. 1 Function Model and Equation 3.2 Application Practice Summary Review Reference Postscript Required Two Pages Copyright Author Editor-in-Chief sends a message to guide some mathematical symbols in this book Chapter 1 Space Geometry 1.65438 +0 Structure of Space Geometry 1.2 Three Views and Direct View of Space Geometry/ Kloc-0/.3 Summary of surface area and volume of space geometry exercise homework Review reference questions between points, lines and planes 2. 1 Position relationship between points, lines and planes 2.2 Determination of parallelism of lines and planes and their properties 2.3 Determination of straight lines and vertical planes and their properties are summarized in the review reference questions. In chapter 3, the formulas of the inclination angle and slope of the straight line and the intersection coordinates and distance of the straight line in equation 3. 1 equation 3.2 are summarized in the review reference questions. The editor-in-chief of the compulsory three-leaf copyright editor sent a message to guide some common symbols in this book. Chapter 1 Preliminary Algorithm 1.6543. 8+0 algorithm and program block diagram 1.2 basic algorithm statement 1.3 algorithm case reading and thinking cyclotomy summary review reference topic Chapter II statistics 2. 1 Random sampling reading and thinking about a famous case How to get an honest response to sensitive questions about the reliability of data in reading and thinking about advertisements 2.2 Using samples to estimate the overall reading and thinking about quality control in the production process Figure 2.3 Correlation between variables, strong and weak correlation between reading and thinking practice, homework summary and review reference questions Chapter III Probability 3. 1 Probability of random events, cognitive process of reading and thinking about weather changes 3.2 Classical probability 3.3 Geometric probability, reading and thinking probability and small password. After reviewing the reference questions, you need a postscript. The editor-in-chief of the four-leaf copyright editor sent a message to guide some mathematical symbols in this book. The first chapter is trigonometric function 1. 1 trigonometric function of arbitrary angle and radian system 1.2 trigonometric function induction formula 1.4 trigonometric function image and properties 65438. +0.5 function y = asin(ωx+ψ) 1.6 Simple application summary Review reference topic Chapter 2 Practical background and basic concepts of plane vector 2.2 Linear operation of plane vector 2.3 Basic theorem and coordinate representation of plane vector 2.4 Quantitative product of plane vector 2.5 Application examples of plane vector. Summary and review refer to Chapter 3: Triangle Identity Transformation 3. 1 Sine, Cosine and Tangent Formula of Sum and Difference of Two Angles 3.2 Simple Triangle Identity Transformation Summary and Review Reference Question Postscript Five pages are required. The editor-in-chief of the copyright author sends a message to guide some mathematical symbols in this book. Chapter 1: Solving Triangle 1. 1 Sine Theorem and Cosine Theorem Further Discussion on Solving Triangle 1.2 Reading about the Sea. Lun Heqin 1.3 Summary of Internship Work Refer to Chapter II Concept and Simple Representation of Series 2. Reading and Thinking of1Fibonacci Series Estimate the value of 2 under the root number 2.2 arithmetic progression 2.3 arithmetic progression's Top N and 2.4 geometric progression 2.5 geometric progression's Top N and Reading and Thinking to explore and discover the mathematical summary in buying a house. Review the reference questions. Chapter 3 Inequality 3. 1 Inequality Relation and Inequality 3.2 Univariate Quadratic Inequality and Its Solution 3.3 Binary Linear Inequality (Group) and Simple Linear Programming Problem. What's wrong with reading and thinking Application of information technology in solving linear programming problems with Excel. Example 3.4 Basic Inequality Summary Review Reference Questions.