Sunday Afternoon Maths XXXVII

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