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