Mathematical ingenuity

The maximum benefit and pleasure is guaranteed!
mathematician, methodologist, popularizer of Russian science, Boris Anastasievich Kordemsky wrote a dozen books, each of which withstood many reprints. We present a collection of the best tasks of a recognized master of the popular science literature genre. In this book you will find a variety of mathematical miniatures: entertaining essays and fairy tales, fantasies and questions that train attention and ingenuity. You will need the ability to think logically and navigate in space, the skills of algebraic and geometric calculations and, of course, the time and patience for unraveling fascinating puzzles ... A wonderful book for fans of mathematics who want to train thinking, resourcefulness and ingenuity.
The series "Games of Reason" is an excellent intellectual gem for the brain: original, effective, non -casual. Test yourself, solving the puzzles, revealing secrets, solving entertaining tasks. Make a cognitive and pleasant "run" in all fields of knowledge - from history, geography, mathematics to forensics, electronics, literature