Sunday Afternoon Maths XXXVI

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