The best workout for the mind from the famous mathematician Yakov Isidorovich Perelman! In this collection, you will find not only mathematical problems but also puzzles for quick thinking, observation, and logic that will help develop attention, imagination, and logical...
thinking, as well as gain a better understanding of arithmetic, geometry, and physics. After useful exercises for the mind, one can engage in serious life challenges, the solutions to which will seem easier and clearer.
The best workout for the mind from the famous mathematician Yakov Isidorovich Perelman! In this collection, you will find not only mathematical problems but also puzzles for quick thinking, observation, and logic that will help develop attention, imagination, and logical thinking, as well as gain a better understanding of arithmetic, geometry, and physics. After useful exercises for the mind, one can engage in serious life challenges, the solutions to which will seem easier and clearer.
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