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