Advent calendar 2015

24 December

Today's number is the largest possible remainder which can be obtained when dividing one of the answers in this advent calendar by another answer smaller than it (not including today's answer!).


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Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

Sunday Afternoon Maths LXV

Cryptic crossnumber #1
Breaking Chocolate
Square and cube endings

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


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