Sunday Afternoon Maths XXXVI

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