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1991 OIM Problems/Problem 5: Revision history

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  • curprev 12:5012:50, 13 December 2023 Tomasdiaz talk contribs 543 bytes +543 Created page with "== Problem == Let <math>P(x,y) = 2x^2 - 6xy + 5y^2</math>. We will say that an integer <math>a</math> is a value of <math>P</math> if there exist integers <math>b</math> and <..."
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