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