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