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