Advent calendar 2016

23 December

Today's number is the number of three digit numbers that are not three more than a multiple of 7.
Tags: numbers


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Sunday Afternoon Maths LXVII

Coloured weights
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Cryptic crossnumber #2

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


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