How difficult is it to compile this book for Mathematical Olympiad?

It is very difficult to compile this book in the Mathematical Olympics.

1, this set of books summarizes many classic self-recruitment and examples and exercises of junior high school mathematics competitions in previous years.

2. It can be placed after the series of customs clearance in the north of the city as an introductory book to contact junior high school mathematics self-recruitment and competition.

What book is better to read if the algorithm is introductory?

Urgent! ! ! ! ! ! The first volume of mathematics in the sixth grade of primary school always reviews the answers (Beijing Normal University Edition)

What kind of stationery should I prepare for my children in the school season?

Summary of Personal Sending Teachers to the Countryside

How to design primary school math exercises

Junior High School Mathematics Bashu Cai Ying

What majors do you take in the higher mathematics self-study exam?

How to make math activities more effective

How to teach junior high school mathematics well

How to draw the fourth unit of the first volume of the fourth grade mathematical mind map