How many units are there in the second volume of Zhejiang Junior Two Mathematics?
There are five units in the second volume of Zhejiang junior high school mathematics. Next semester, Zhejiang Junior Middle School Mathematics People's Education Edition consists of five chapters and five units. Chapter 1: Scores. Chapter 2: Inverse proportional function. Chapter 3: Pythagorean Theorem. Chapter Four: Quadrilateral. Chapter 5: Data analysis. The second volume of eighth grade mathematics is the experimental textbook of compulsory education curriculum standard published by People's Education Publishing House. It mainly includes sine, cosine and geometric figures.