1. 1 quadratic radical
A complete solution of knowledge and skills
Properties of 1.2 quadratic roots
Operation of 1.3 Quadratic Radical
Chapter II Quadratic Equation in One Variable
2. 1 unary quadratic equation
2.2 the solution of quadratic equation in one variable
2.3 the application of one-dimensional binary equation
Chapter III Frequency and its Distribution
3. 1 frequency and frequency
3.2 Frequency Distribution Histogram
3.3 Frequency Distribution Diagram
Chapter IV Proposition and Proof
4. 1 Definition and proposition
4.2 proof
4.3 Counterexamples and Proof
4.4 Reduction to absurdity
Chapter V Parallelogram
Comprehensive explanation of this chapter
5. 1 polygon
5.2 parallelogram
5.3 Properties of Parallelogram
5.4 Center symmetry
5.5 Determination of parallelogram
5.6 triangle midline
5.7 Inverse Propositions and Theorems
Chapter VI Special Parallelogram and Trapezoid
6. 1 rectangle
6.2 Diamonds
6.3 square
6.4 trapezoid