PUMaC 2008 · 组合(A 组) · 第 4 题
PUMaC 2008 — Combinatorics (Division A) — Problem 4
题目详情
- (3 points) Find the sum of the values of x for which ( ) ( ) ( ) ( ) x x x x − + − · · · + = 0 . 0 1 2 2008
解析
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Original Explanation
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