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Advent calendar 2020

16 December

Solve the crossnumber to find today's number. No number starts with 0.

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

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