PUMaC 2009 · 数论（A 组） · 第 7 题
PUMaC 2009 — Number Theory (Division A) — Problem 7
题目详情
- Let S = { p/q | q ≤ 2009 , p/q < 1257 / 2009 , p, q ∈ N } . If the maximum element of S is p /q in 0 0 reduced form, find p + q . 0 0 k k
解析
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Original Explanation
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