HMMT 2025 C6
- Combinatorics
- Answer
Compute the number of ways to pick two rectangles in a grid of squares such that the edges of the rectangles lie on the lines of the grid and the rectangles do not overlap at their interiors, edges, or vertices. The order in which the rectangles are chosen does not matter.
Dataset text NuminaMath olympiads. Quoted with source.
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6300
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