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