Selected Problems and Theorems of Elementary Mathematics, written by eminent mathematicians D. and . Shklyarsky, N. N. Chentsov and . M. Yaglom is a unique manual that will become an indispensable assistant for both students and teachers. This edition is not just a collection of problems, but a real treasure trove of mathematical ideas, logical reasoning and deep theoretical foundations that will help the reader not only to master elementary mathematics, but also to love it. From the first pages of the book, the reader plunges into the world of mathematical concepts, where each task becomes not just an exercise, but a challenge that requires a creative approach and in-depth analysis. The authors carefully selected the best problems from various areas of elementary mathematics, including algebra, geometry, trigonometry and combinatorics. Each task is accompanied by detailed solutions and comments, which makes the learning process more exciting and accessible. The book will be interesting to a wide range of readers .. Students studying mathematics in the faculties of natural sciences, engineers, as well as teachers who are looking for high-quality materials to prepare for classes, will find much useful in it. Even those who just want to refresh their knowledge or develop logical thinking will be able to get the most out of the book. The age category of readers is not limited: both schoolchildren and adults who want to deepen their mathematical skills will find something for themselves here. The topics raised in the book cover not only purely mathematical aspects, but also philosophical reflections on the nature of mathematics, its role in human life and in scientific progress. The authors emphasize the importance of logical thinking and analytical approach, which makes this book not only a textbook, but also a real guide to the world of mathematical science. In each section, the reader will find not only problems, but also theorems that serve as a basis for further study of more complex topics. The style of the authors is distinguished by clarity and accessibility, which makes it easy to assimilate even the most complex concepts. D. and . Shklyarsky, N. N. Chentsov and I. M. Yaglom is known for his scientific works and teaching aids, which have already become classics in the field of mathematics. Their approach to learning is based on a deep understanding of the subject and the ability to convey complex ideas to a wide audience. In this book, they successfully combine theory and practice, making it an ideal tool for preparing for exams and olympiads. If you are looking for books on mathematics that will help you not only solve problems, but also understand their essence, “Selected problems and theorems of elementary mathematics” will be a real find for you. This edition is not just for reading, but for active study, reflection and discussion. It will inspire you to new discoveries and help develop mathematical thinking that will be useful in any area of life. Do not miss the opportunity to get acquainted with this wonderful book, which will become your faithful companion on the way to mathematical mastery. "Selected Problems and Theorems of Elementary Mathematics" is not just a book, it is the key to understanding the amazing world of numbers and shapes, which opens up limitless horizons of knowledge for you.