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