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