Selected Olympic Tasks . Mathematics by Quant 100, written by N. B. Vassiliev, A. P. Savin and A. A. Egorov is a unique collection that will become a real treasure for all lovers of mathematics, especially for those who strive for high achievements in the Olympic movement. This is not just a textbook, but real mathematics in its most fascinating and exciting manifestation. This edition contains the most interesting and complex tasks that have ever met at the Olympiads of various levels. Each task is not just a mathematical puzzle, but a challenge that requires a deep understanding of the subject, a creative approach and logical thinking. The authors, having a rich experience in preparing schoolchildren and students for the Olympiads, offer readers not only the tasks themselves, but also detailed solutions that will help to understand the intricacies and nuances of each task. The book will be especially interesting for high school students, students, as well as teachers who are looking for new methods to teach and inspire their students. If you are passionate about mathematics and want to develop your analytical skills, then "Selected Olympiad Tasks. Maths will be a great helper for you. It is suitable for both individual study and group classes, which makes it a universal tool for preparing for Olympiads and competitions. The topics raised in the book cover a wide range of mathematical disciplines: from algebra and geometry to combinatorics and number theory. The authors seek to show that mathematics is not only a set of formulas and rules, but also a fascinating game in which everyone can find something for themselves. Readers will be able to immerse themselves in the world of mathematical research, where each solution is a step towards a new discovery, and each task is an opportunity to show their abilities. The style of the authors is clear and accessible, which allows even the youngest readers to understand complex concepts. They use a lively and fascinating language that makes the learning process not only useful, but also enjoyable. The book is full of illustrations and examples, which helps to visualize solutions and makes the material more understandable. If you are looking for something similar, pay attention to other works in the field of mathematical problems, such as "Mathematics for Olympiads" or "Mathematics problems for high school students" . These books also offer exciting challenges and can complement your experience. "Selected Olympic Tasks. Mathematics is not just a book, but a whole world in which you can immerse yourself, developing your mathematical skills and expanding the horizons of your thinking. It inspires new achievements and helps to understand that mathematics is not only a science, but also an art in which everyone can become a master. Do not miss the opportunity to discover this fascinating world that awaits you in the pages of this book!