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