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Advent calendar 2016

12 December

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Tags: numbers

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Advent calendar 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

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

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