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Click here to win prizes by solving the mscroggs.co.uk puzzle Advent calendar.
Click here to win prizes by solving the mscroggs.co.uk puzzle Advent calendar.

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Advent calendar 2021

11 December

The integers are written in a triangle as shown below:
Today's number appears directly above the number 750 in the triangle of integers.

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

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