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