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