Sunday Afternoon Maths XXXVII

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