The book "Once a task is two tasks", written by a talented team of authors - Buzdin A. and . by Zilberman A. R. and the S. C. It is a unique and fascinating guide that will open up new horizons for the reader in the field of logic, mathematics and thinking. This book is a real storehouse of intellectual tasks that not only train analytical abilities, but also turn the learning process into an exciting adventure. If you are looking for a book that will help you develop logical thinking, learn how to solve complex problems and at the same time enjoy the process, “Once a task is two tasks” is exactly what you need. The author's team, which unites experienced teachers and specialists in the field of mathematics and logic, created a work that is suitable for a wide range of readers. This book is perfect for both schoolchildren and students, educators and anyone who loves intellectual challenges. It will be especially interesting for those who are looking for non-standard approaches to solving problems, appreciate the development of critical thinking and want to expand their knowledge in the field of logic and mathematics. Age range of readers - from adolescents 12 years and older to adults who want to maintain and develop their mental skills What makes “Once a problem is two problems” special? First of all, it raises important topics related to logical thinking, problem solving strategy and the development of an analytical approach . The book presents a variety of tasks - from simple puzzles to more complex, requiring non-standard solutions. Each task is accompanied by clear explanations and tips that help to understand how to approach the solution and what methods to use. Thanks to this approach, the book becomes not only a textbook, but also a tool for self-development, stimulating curiosity and a desire to learn. The style of the authors is distinguished by clarity, accessibility and vivid presentation. Buzdin A. and . , Silberman A. R. and moles C. C. They are famous for their ability to turn complex concepts into understandable and interesting stories. Their works, such as “Mathematical Mysteries” or “Logical Games for the Mind”, have already earned recognition from a wide audience. In Once a Task Two, they use their wealth of experience to make each task not only rewarding but also exciting, turning learning into a game that evokes excitement and a desire to win. This book is a great choice for those who want not just to learn, but to enjoy intellectual challenges. It will help to develop attentiveness, logical memory and creativity, which is especially important in a modern world full of information and complex tasks. In addition, the book can be an excellent addition to the school curriculum or training courses in mathematics and logic, as well as a good gift for inquisitive children and adults. If you are looking for a book that combines educational value and fun, “Once a task is two tasks” is exactly what you need. It will not only expand your knowledge, but also give joy from the process of solving problems, strengthen self-confidence and help you look at familiar things from a new angle. In a world where the ability to think logically is becoming increasingly valuable, this book is your reliable companion on the way to the development of intelligence and creativity.