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Guichard-Combinatorics-Graph-Theory
· Problem 1.1.1
Fundamentals
Mathematics — Probability · domino-tiling
Problem
Explain why an
m
×
n
m \times n
m
×
n
board can be covered if either
m
m
m
or
n
n
n
is even. Explain why it cannot be covered if both
m
m
m
and
n
n
n
are odd.
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