Advent calendar 2016

15 December

A book has 386 pages. What do the page numbers on the two middle pages add up to?
Tags: numbers


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Sunday Afternoon Maths LXVII

Coloured weights
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Advent calendar 2018

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Cryptic crossnumber #2

Sunday Afternoon Maths LXV

Cryptic crossnumber #1
Breaking Chocolate
Square and cube endings

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


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