Chapter I Axisymmetric Graphics
Chapter 2 Pythagorean Theorem and Square Root
Chapter III Central Symmetry Diagram I
Chapter IV Changes in Quantity and Position
Chapter V Linear Functions
Chapter VI Data Concentration
The second volume of the eighth grade
Chapter 7 uses inequality to estimate.
Chapter VIII Fractional Games
Chapter 9 Case Study of Inverse Proportional Function
Chapter 10 Measuring the Height of Objects
Chapter 11 attempts to "prove"
Chapter 12 estimates the number of red balls and white balls in the bag.