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