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Advent calendar 2016

12 December

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

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