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