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