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Advent calendar 2015
3 December
All 2015 advent puzzles
~
More information
In August, I wrote about
MENACE
, a machine learning robot built from matchboxes which plays noughts and crosses. How many matchboxes are needed to build MENACE?
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304
Tags:
menace
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cubics
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integration
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complex numbers
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odd numbers
time
triangles
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partitions
people maths
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tiling
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christmas
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ave
binary
dice
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cryptic clues
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triangle numbers
circles
lines
algebra
functions
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expansions
products
elections
advent
medians
remainders
crosswords
squares
speed
menace
volume
ellipses
spheres
fractions
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factors
digits
dodecagons
shape
prime numbers
perfect numbers
sport
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decahedra
coordinates
the only crossnumber
unit fractions
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cube numbers
multiplication
Archive
Show me a random puzzle
▼ show ▼
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Most recent collections
Advent calendar 2024
Advent calendar 2023
Advent calendar 2022
Advent calendar 2021
List of all puzzles
Tags
multiplication
palindromes
balancing
ave
triangles
crossnumbers
hexagons
digital products
functions
sums
circles
consecutive integers
area
tiling
folding tube maps
remainders
factors
proportion
partitions
rectangles
gerrymandering
graphs
sport
prime numbers
crossnumber
determinants
spheres
shape
cards
sum to infinity
cryptic clues
surds
means
averages
grids
chalkdust crossnumber
combinatorics
digital clocks
sets
routes
time
coins
irreducible numbers
cryptic crossnumbers
dice
probabilty
angles
games
dates
arrows
albgebra
squares
factorials
planes
integration
mean
even numbers
tournaments
medians
differentiation
calculus
taxicab geometry
numbers grids
median
polygons
ellipses
3d shapes
quadratics
geometric means
decahedra
numbers
people maths
addition
perfect numbers
quadrilaterals
doubling
symmetry
expansions
logic
square numbers
money
chess
polynomials
coordinates
number
integers
speed
range
multiples
dominos
neighbours
christmas
sequences
powers
trigonometry
parabolas
scales
axes
elections
menace
chocolate
binary
matrices
odd numbers
crosswords
pascal's triangle
advent
digits
clocks
cubics
wordplay
geometric mean
fractions
probability
the only crossnumber
square grids
indices
dodecagons
square roots
star numbers
floors
products
division
perimeter
percentages
regular shapes
tangents
volume
algebra
complex numbers
2d shapes
triangle numbers
geometry
rugby
bases
shapes
unit fractions
lines
pentagons
cube numbers
books
consecutive numbers
colouring
© Matthew Scroggs 2012–2025