This book covers the second part of Algebra and Elements of Probability for the 1st Grade of General High School. Its main goal is to ensure an in-depth understanding of the material by all students and to fully prepare them for exams of any form.

The material is divided into teaching units, which follow the development sequence of the school textbook.

Each unit includes:
- Theory
- Solved exercises that demonstrate the basic working methods
- Examples
- Useful observations
- Comprehension questions to clarify fine points of the material
- A large number of exercises for solving
- After each broader unit, there are evaluation criteria.
- At the end of the book, there are answers - hints for the exercises to be solved.

The book is accompanied by an insert with the answers to the exercises and questions of the school textbook for the corresponding part of the material.