Advent calendar 2024

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advent division proportion trigonometry functions regular shapes odd numbers multiplication volume digital clocks median area spheres money sets powers integers binary sport triangles floors colouring means parabolas circles matrices bases axes quadratics planes wordplay perfect numbers averages geometric mean people maths chess rugby 2d shapes dominos palindromes cryptic crossnumbers digital products shapes prime factors christmas balancing neighbours range symmetry dodecagons sum to infinity taxicab geometry consecutive numbers even numbers chocolate cards fractions routes prime numbers graphs calculus mean doubling square numbers cubics menace scales combinatorics multiples pentagons hexagons grids irreducible numbers lists integration digits tournaments the only crossnumber arrows cryptic clues perimeter multiplaction squares chalkdust crossnumber algebra probability number coordinates square roots medians percentages consecutive integers square grids games factorials tiling 3d shapes determinants complex numbers crossnumbers logic angles geometry elections folding tube maps surds sequences coins remainders speed xor unit fractions dates crosswords rectangles star numbers time products shape lines dice cube numbers triangle numbers probabilty factors clocks polynomials pascal's triangle gerrymandering books albgebra addition geometric means squares decahedra ellipses numbers partitions indices tangents differentiation expansions sums quadrilaterals polygons ave