The first hundred puzzles

The first edition of the famous collection of puzzling tasks was published more than a century ago. Already several generations of young mathematicians are racking their heads over Perelman"s tasks, training smart, observation and resourcefulness.
- puzzling accommodation and permutation
- Flosing of vision
- Logic puzzles
- tricks and games
- puzzles from the field of geometry, physics and geography
- Tangrams - geometric silhouettes
The best guide in the world of entertaining sciences - Yakov Isidorovich Perelman will help to solve all the puzzles. But do not rush to look into the answers! Try to solve all the tasks yourself: it will give pleasure to both children and adults.
For children of secondary school age