Sunday Afternoon Maths II

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