Heuréka - Matematické hádanky s překvapivým řešením – Hemme Heinrich (2019)

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The book of mathematical problems will appeal to all passionate solvers of logical and mathematical quizzes and puzzles. Nearly 100 tasks accompanied by commented solutions range f rom mathematical jokes to more complex algebraic and geometric problems. Nevertheless, the solutions never require lengthy calculations, and usually, paper and pencil are not even necessary; just common sense and basic mathematical knowledge will suffice. Show more