1, knowledge points: The second textbook of primary school mathematics has more knowledge points than analogy. The second textbook is an excellent book created by China National Olympic Mathematics Coach * *, and the topics in the book are selected from different Olympic test questions.

2. Scope of application: The second textbook of primary school mathematics has a wider scope of application than analogy. The second textbook of primary school mathematics is a tutorial book, which is more interesting and comprehensive, and the explanation of knowledge points is also more detailed and comprehensive.