Hello, what's the difference between Beijing Normal University Edition, People's Education Edition and China Normal University Edition? The difference between Beijing Normal University Edition, People's Education Edition, China Normal University Edition and Diandian Grade 7 Mathematics Volume I is that these three editions correspond to their own textbooks. There are three kinds of mathematics textbooks: Beijing Normal University Edition, People's Education Edition and China Normal University Edition. The first book of mathematics in the middle of the book is matched with the first book of mathematics in the seventh grade. The first book of mathematics in the middle of the book is matched with the first book of mathematics in the seventh grade. So the first book of mathematics in the middle of the book is matched with the first book of mathematics in the seventh grade.