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