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- 17:59, 21 February 2013 (diff | hist) . . (+2) . . 2013 AMC 10B Problems/Problem 13
- 17:58, 21 February 2013 (diff | hist) . . (+379) . . N 2013 AMC 10B Problems/Problem 13 (Created page with "Jo and Blair take turns counting from <math>1</math> to one more than the last number said by the other person. Jo starts by saying "<math>1</math>", so Blair follows by saying "...")
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