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