Sunday Afternoon Maths XXXVI

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