Pi Tortenzahlen-Suchrätsel: Bücher für Mathe- und Dessertliebhaber von Color Me J. P
19,23 €
Here are 10 fun facts about π (pi): Ancient Approximations: The ancient Egyptians and Babylonians approximated pi around 4,000 years ago, with the Egyptians coming remarkably close to the actual value using fractions like 169≈3.16916≈3.16.
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