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Advent calendar 2023
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chalkdust crossnumber
sums
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the only crossnumber
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cryptic crossnumbers
symmetry
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wordplay
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lines
volume
speed
coordinates
integers
number
grids
proportion
ellipses
algebra
books
odd numbers
integration
even numbers
sum to infinity
percentages
dates
irreducible numbers
dice
pentagons
time
colouring
coins
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rugby
star numbers
cube numbers
spheres
christmas
ave
people maths
balancing
squares
circles
geometry
functions
matrices
advent
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means
Archive
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Most recent collections
Advent calendar 2023
Advent calendar 2022
Advent calendar 2021
Advent calendar 2020
List of all puzzles
Tags
means
factorials
odd numbers
binary
mean
cubics
cards
tournaments
differentiation
surds
dominos
chalkdust crossnumber
polynomials
consecutive integers
shapes
doubling
time
digits
speed
geometric mean
sums
expansions
parabolas
tangents
complex numbers
combinatorics
routes
lines
pascal's triangle
multiplication
proportion
graphs
the only crossnumber
polygons
number
probabilty
regular shapes
chess
2d shapes
unit fractions
triangle numbers
arrows
sequences
percentages
decahedra
squares
rugby
gerrymandering
angles
numbers
coins
irreducible numbers
clocks
quadrilaterals
fractions
hexagons
perimeter
bases
calculus
dates
geometry
christmas
sum to infinity
tiling
geometric means
folding tube maps
remainders
quadratics
even numbers
averages
logic
median
range
cryptic clues
volume
prime numbers
menace
integers
pentagons
triangles
algebra
determinants
circles
division
people maths
elections
floors
grids
products
money
scales
palindromes
probability
rectangles
games
perfect numbers
axes
integration
ave
shape
square numbers
dice
chocolate
matrices
digital clocks
spheres
cube numbers
planes
consecutive numbers
balancing
indices
partitions
crossnumbers
functions
3d shapes
albgebra
addition
dodecagons
area
cryptic crossnumbers
taxicab geometry
factors
wordplay
sets
crossnumber
multiples
coordinates
square roots
colouring
advent
trigonometry
books
symmetry
crosswords
ellipses
digital products
sport
star numbers
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