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