Sunday Afternoon Maths XXXVII

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