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The eighth grade mathematics textbook catalogue Su Ke
Compared with textbooks of other disciplines, mathematics textbooks, especially the eighth grade mathematics textbooks of junior high school, are the ones that people expect the most and criticize the most. I sorted out the catalogue of the next volume of the eighth grade mathematics textbook, Suk, hoping to help everyone!

Suk's eighth grade mathematics textbook catalogue

Chapter VII One-dimensional Linear Inequalities

7. 1 Inequality in life

7.2 Solution Set of Inequality

7.3 Properties of Inequalities

7.4 Solving linear inequalities in one variable

7.5 Solving problems with unary linear inequalities

7.6 One-dimensional linear inequality system

7.7 unary linear inequality and unary linear equation and linear function

Chapter VIII Scores

8. 1 score

8.2 the basic nature of the score

8.3 Addition and subtraction of fractions

8.4 Multiplication and division of fractions

8.5 fractional equation

Chapter 9 Inverse Proportional Function

9. 1 inverse proportional function

9.2 Images and Properties of Inverse Proportional Function

9.3 Application of Inverse Proportional Function

Chapter 10 Similarity of Graphics

10. 1 Distance on the graph and actual distance

10.2 golden section

10.3 similar graphics

10.4 explore the conditions of triangle similarity 10.5 the properties of similar triangles 10.6 the similarity of graphs.

10.7 application of similar triangles

Chapter 1 XI Graph and Proof (1)11.1Is your judgment right?

1 1.2 reasoning

1 1.3 proof

1 1.4 Reciprocity Proposition

Chapter 12 Possibilities such as Cognitive Probability 12. 1

Probability under possible conditions such as 12.2 (1) Probability under possible conditions such as 12.3 (2)

Content knowledge of unary linear inequality in eighth grade mathematics

7. 1 A formula that uses inequality symbols to express inequality relations is called inequality.

7.2 The nature of inequality:

Add (or subtract) the same algebraic expression on both sides of 1 inequality, and the direction of inequality remains unchanged.

2 both sides of the inequality are multiplied (or divided) by positive numbers, and the direction of the inequality remains unchanged; Multiply (or divide) both sides of inequality by negative numbers, and the direction of inequality will change.

7.4

The steps of solving linear inequalities are similar to solving linear equations. But when both sides of inequality are multiplied (or divided) by the same number that is not equal to 0, we should correctly apply the properties of inequality according to whether this number is positive or negative. Pay special attention to changing the direction of inequality when both sides of inequality are multiplied (or divided) by the same negative number.

7.5

Solving problems with one-dimensional linear inequality

7.6

An inequality group consisting of several linear inequalities with the same unknowns is called

One-dimensional linear inequality system. The common part of the solution set of all inequalities in an inequality group is called the solution set of this inequality group, and the process of finding the solution set of inequality group is called solving inequality group.

7.7

One-dimensional linear inequality and one-dimensional linear equation and linear function

When the value of one variable in a linear function is determined, the value of another variable can be determined by a linear equation. When the range of one variable in a univariate linear function is known, the range of another variable can be determined by using univariate linear inequalities (groups).

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