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Omni-MATH / A square grid 100×100 is tiled in two ways - only with dominoes and only with squares 2×2. What is the least number of dominoes that are entirely inside some square 2×2? · Discussion

Discussing A square grid 100×100 is tiled in two ways - only with dominoes and only with squares 2×2. What is the least number of dominoes that are entirely inside some square 2×2? · Omni-MATH

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