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2004 IMO Problems/Problem 3

Revision as of 12:25, 23 August 2020 by Pureswag (talk | contribs) (Created page with "Define a “hook” to be a figure made up of six unit squares as shown in this picture: http://bit.ly/IMO2004P1, or any of the figures obtained by applying rotations and refl...")
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Define a “hook” to be a figure made up of six unit squares as shown in this picture: http://bit.ly/IMO2004P1, or any of the figures obtained by applying rotations and reflections to this figure.

Which $m × n$ rectangles can be tiled by hooks?

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