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


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