Sunday Afternoon Maths XXXVI

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