← 返回数学题库
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 (1/2,1/2)(1/2,1/2)?

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