2812脑筋急转弯中等derivationmedium
Expected Squared Distance in the Unit Square
题目
Two points are chosen independently and uniformly in the unit square. What is the expected squared Euclidean distance between them?
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题目
Two points are chosen independently and uniformly in the unit square. What is the expected squared Euclidean distance between them?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
你的答案