最新提问
我的动态
登录后查看动态
题目内容
In a barrel, there are in ping-pong balls labeled with consecutive integers from 1 to n, where n is an odd integer greater than 50. If a ball is to be randomly selected from the barrel, what is the probability that the ball selected will be a ball that is labeled with an odd integer?
E显示答案
· 相关考点
1.4.4 连续奇数与连续偶数
以上解析由 考满分老师提供。