Математика. Упражнения со спичками

A box of matches is not only a tiny chamber of measures, but also a kind of surprise box containing a wide selection of fun, and sometimes quite complicated, tasks, games, and puzzles. And what is very important, these tasks and games will help you not only to have a good time but also to practice solving problems in arithmetic, algebra, geometry, and even physics. You will also learn to make toys out of matches and draw!
This book continues the fascinating series of publications prepared by the outstanding writer and science popularizer Yakov Isidorovich Perelman.