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- 21:20, 4 February 2016 (diff | hist) . . (0) . . m 2016 AMC 10A Problems/Problem 18 (→Solution 1)
- 21:18, 4 February 2016 (diff | hist) . . (-4) . . 2016 AMC 10A Problems/Problem 18 (→Solution 1)
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