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1997 PMWC Problems/Problem I8: Revision history

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15 January 2008

9 October 2007

8 October 2007

  • curprev 17:4617:46, 8 October 2007 1=2 talk contribs 123 bytes +123 New page: ==Problem== <math>997-996-995+994+993-992+991-990-989+988+989-986+\cdots+7-6-5+4+3-2+1=?</math> ==Solution== {{solution}}
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