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