Sunday Afternoon Maths XXXVII

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