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