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