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- 15:52, 20 August 2020 (diff | hist) . . (+6) . . m 2011 AMC 10A Problems/Problem 16 (→Solution 1)
- 16:58, 3 August 2020 (diff | hist) . . (+4) . . m 2013 AMC 8 Problems/Problem 21 (→See Also)
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