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