Sunday Afternoon Maths XIII

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