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- 17:06, 7 February 2013 (diff | hist) . . (+16) . . 2013 AMC 12A Problems/Problem 18
- 17:05, 7 February 2013 (diff | hist) . . (0) . . 2013 AMC 12A Problems/Problem 3
- 17:05, 7 February 2013 (diff | hist) . . (+1,846) . . N 2013 AMC 12A Problems/Problem 18 (Created page with "You have a regular hexagon with side lengths 2 and six spheres on each vertice radius 1 that are internally tangent, therefore drawing radius's through them all would create this...")
