2805脑筋急转弯中等derivationmedium
Squared Distance to the Center of the Square
题目
A point is chosen uniformly in the unit square. What is the expected squared distance from the point to the center ?
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
题目
A point is chosen uniformly in the unit square. What is the expected squared distance from the point to the center ?
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