Sunday Afternoon Maths XXXVI

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