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The DZUM family invites you to join the mathematical detective!
Who are the DZUMs? This is not an ordinary family, they live in a modern gadget world alongside such relatives as Grandpa Comp, Grandma Flash, Uncle Copter, Aunt Camera and other friends. Dzumchik and Dzumochka are real detectives! They love to explore everything and look for answers to mysterious tasks. And now they need help with solving a mathematical detective! What will we do? After all, the helpers of the DZUM-family have prepared more than 100 different tasks! What else is special about the book?