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Mathematics in football
Football is made of 32 pieces of black and white cowhide. Black leather can be regarded as a regular Pentagon and white leather as a regular hexagon. Let the white leather have x blocks, then the black leather has (32-x) blocks, and each white leather has six sides, with ***6x sides. Every white leather has three sides connected with black leather, so black leather has only three sides. Black leather is a regular pentagon, and the number of sides of black leather is 5(32-x). Each white leather has three sides connected with black leather. ∴ Black leather * *

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