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