PUMaC 2008 · 数论（A 组） · 第 5 题
PUMaC 2008 — Number Theory (Division A) — Problem 5
题目详情
- (4 points)If f ( x ) = x , find the last two digits of f (17) + f (18) + f (19) + f (20).
解析
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Original Explanation
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PUMaC 2008 — Number Theory (Division A) — Problem 5
暂无解答链接。
No solutions link available.