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