Chapter 1 Multiplication and Division of Algebraic Expressions

1, multiplication of power with the same base 2, multiplication of power and product 3, division of power with the same base 4, multiplication of algebra 5, square difference formula 6, complete square formula 7, algebra division review and thinking review questions.

Chapter II Intersecting Line and Parallel Line 1, and the positional relationship between the two straight lines 2. Conditions for exploring parallel lines 3. Properties of parallel lines. Review and reflection on measuring angles with a ruler.

Chapter 3: Triangle 1, understand the congruence of triangle 2 and figure 3, explore the congruence condition of triangle 4, make triangle 5 with a ruler, and review the review questions by using the congruence of triangle.

The fourth chapter is the relationship between variables 1, the relationship between variables represented by tables 2, the relationship between variables represented by relationships 3, and the review and reflection on the relationship between variables represented by images.

Chapter 5 Axisymmetric 1 and Axisymmetric Phenomenon in Life 2. Explore the essence of axisymmetric 3. Simple axisymmetric figure 4. Review the design with axial symmetry and think about the review questions.

Chapter VI Probability Preliminary 1, Feeling Possibility 2, Frequency Stability 3, Probability of Possible Events, etc.

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