“Selected Questions of Mathematics” is not just a book, but a real treasure trove of knowledge created by outstanding authors of N. I. by R. C. Guter and A. N. Landscaping. This publication will become an indispensable assistant for students, teachers and anyone who seeks to deepen their knowledge in the field of mathematics. The book covers a wide range of topics, from the basics of arithmetic to more complex concepts such as algebra and geometry, making it an ideal choice for both beginners and more experienced readers. From the first pages, the reader plunges into the world of mathematical puzzles and logical problems. The authors offer not only theoretical calculations, but also practical examples, which allows you to better assimilate the material. Each chapter of the book is filled with interesting questions and tasks that stimulate thinking and develop analytical abilities. This makes "Selected Mathematics Questions" an excellent tool for preparing for exams and Olympiads, as well as for self-study. The book will be of particular interest to students and schoolchildren seeking an in-depth understanding of mathematics. It will also be useful for teachers who are looking for new approaches to learning and want to diversify their classes. If you like to solve puzzles, look for non-standard solutions and immerse yourself in the world of numbers, then this edition is for you. The topics raised in the book cover not only traditional aspects of mathematics, but also its philosophical and practical aspects. The authors emphasize the importance of logical thinking and the ability to apply mathematical knowledge in real life. This makes the book relevant not only for those who study mathematics, but also for everyone who wants to develop their mental abilities and critical thinking. The style of the authors is clear and accessible. N. I. Vilenkin, R. C. Guther and A. N. Earthlings are well-known mathematicians and teachers who not only achieved high results in their field, but also were able to transfer their knowledge and experience to readers. Their previous works, such as “Mathematics for Schoolchildren” and “Tasks in Mathematics”, are also very popular and recognized in the educational environment. In this book, they continue their tradition of accessible and engaging narratives of complex topics. “Selected questions of mathematics” is not just a textbook, but a real guide to the world of numbers and formulas. The reader, opening this book, can expect not only theoretical knowledge, but also practical skills that will be useful in the future. The book will be an excellent addition to the library of anyone who wants to deepen their mathematical knowledge and learn to think logically. If you are looking for something similar, pay attention to works such as “Mathematics for All” or “Mathematics Tasks”, which also offer fascinating and informative materials. Do not miss the opportunity to touch the mathematical magic offered by "Selected Math Questions" This book will be your faithful companion on the way to new knowledge and discoveries in the amazing world of mathematics.