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Advent calendar 2016
1 December
All 2016 advent puzzles
~
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One of the digits of today's number was removed to leave a two digit number. This two digit number was added to today's number. The result was 619.
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563
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Most recent collections
Advent calendar 2024
Advent calendar 2023
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List of all puzzles
Tags
squares
money
even numbers
rugby
dodecagons
geometric means
dominos
rectangles
planes
complex numbers
games
coins
integration
elections
mean
matrices
indices
quadrilaterals
square grids
sport
star numbers
time
pascal's triangle
regular shapes
cryptic crossnumbers
bases
calculus
sequences
ellipses
decahedra
axes
2d shapes
surds
probabilty
dice
prime numbers
multiplication
advent
triangles
medians
chocolate
irreducible numbers
chalkdust crossnumber
quadratics
averages
tiling
expansions
polynomials
balancing
gerrymandering
differentiation
cryptic clues
perfect numbers
lines
volume
the only crossnumber
cards
triangle numbers
sets
square numbers
wordplay
ave
arrows
polygons
sum to infinity
range
coordinates
taxicab geometry
multiples
geometric mean
geometry
consecutive integers
3d shapes
addition
tournaments
sums
palindromes
floors
grids
trigonometry
doubling
binary
area
albgebra
digits
cube numbers
powers
routes
graphs
products
odd numbers
tangents
angles
crosswords
colouring
symmetry
folding tube maps
spheres
digital products
functions
percentages
christmas
consecutive numbers
algebra
numbers grids
numbers
pentagons
shapes
unit fractions
partitions
proportion
scales
dates
number
fractions
median
cubics
people maths
crossnumbers
determinants
hexagons
digital clocks
shape
neighbours
speed
remainders
parabolas
integers
menace
logic
perimeter
division
chess
factorials
books
factors
probability
square roots
clocks
means
circles
combinatorics
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