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