Perelman I. and . Living Mathematics . Mathematical Tales and Puzzles 11th Edition. 1978 [pdf 162sc 160c. 51. 22mb]Book I. and . Perelman is one of the most accessible of the author's well-known series of books devoted to interesting questions of mathematics. Here are collected a variety of mathematical puzzles, many of which are dressed in the form of small stories. To solve them, it is enough to get acquainted with elementary arithmetic and the simplest information in geometry .. Only a small part of the problems requires the ability to compose and solve the simplest equations .. The book is intended for teenagers - students of secondary school, schools of working youth and for adults looking for reasonable and useful entertainment during the hours of rest.