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