PUMaC 2007 · 几何（A 组） · 第 3 题
PUMaC 2007 — Geometry (Division A) — Problem 3
题目详情
- Points P , P , P , and P are (0 , 0), (10 , 20), (5 , 15), and (12 , − 6), respectively. For what point 1 2 3 4 2 P ∈ R is the sum of the distances from P to the other 4 points minimal? area ( CDF )
解析
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Original Explanation
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