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Advent calendar 2016

21 December

Today's number is a multiple of three. The average (mean) of all the answers that are multiples of three is a multiple of 193.
Tags: averages, mean

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

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