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  • 14:00, 29 November 2024 (diff | hist) . . (+1,384)‎ . . 2019 AMC 12B Problems/Problem 13 ‎ (Added another solution to 2019 12B problem 13. My solution is very approachable, providing a simple view of the problem anyone could understand, and doesn't require any memorization of infinite sum formulas.) (current)

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