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