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- 16:06, 15 January 2018 (diff | hist) . . (0) . . m 2005 AMC 10B Problems/Problem 20 (→Solution 2)
- 14:21, 15 January 2018 (diff | hist) . . (+1) . . m 2005 AMC 10B Problems/Problem 20 (→Solution 1)
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