Perelman I. and . Living Mathematics - Mathematical Tales and Puzzles 5th Edition. erased. 1958 [pdf 186sc 184c. 48. 64mb]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 from geometry . The book is intended for teenagers-students of secondary school, handicraft and railway schools, schools of working youth and for adults looking for reasonable and useful entertainment during leisure hours.