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