PUMaC 2025 · 数论（B 组） · 第 6 题
PUMaC 2025 — Number Theory (Division B) — Problem 6
题目详情
- For p prime and k ≥ 1, let S denote the number of positive integers x < p where x ≡ 1 k k (mod p ). Find 4 X X ( p ) S . k k =1 p< 25 p prime
解析
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Original Explanation
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