PUMaC 2024 · 团队赛 · 第 3 题
PUMaC 2024 — Team Round — Problem 3
题目详情
- Let f ( x ) = x − 3 x + 1, and let α , α , α , α be the 4 roots of f ( f ( x )) = x . Evaluate 1 2 3 4 ⌊ 10 α ⌋ + ⌊ 10 α ⌋ + ⌊ 10 α ⌋ + ⌊ 10 α ⌋ 1 2 3 4 2
解析
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Original Explanation
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