1, isosceles triangle 2, right triangle 3, midline of line segment 4, angular bisector.

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Chapter 2: One-dimensional linear inequality and one-dimensional linear inequality.

1, inequality 2, basic properties of inequality 3, solution set of inequality 4, unary linear inequality

5. Unary linear inequality and linear function 6. Unary linear inequality system

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Chapter III Translation and Rotation of Graphics

1, graphic translation 2, graphic rotation 3, central symmetry 4, simple pattern design

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Chapter IV Factorization

1, factorization 2, common factor method 3, formula method

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Chapter V Scores

1, Understanding Fraction 2, Fraction Multiplication and Division 3, Fraction Addition and subtraction 4, Fraction Equation

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Chapter VI Parallelogram

1, the nature of parallelogram 2, the judgment of parallelogram 3, the center line of triangle

4. The sum of the inner and outer angles of a polygon.

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Synthesis and practice

△ One-variable linear inequality and practical application of one-variable linear equation and linear function

△ Splicing of Plane Graphics

General revision