Andy and Bob are picking apples. Andy picks 16 apples per hour and Bob picks 10 apples per hour. Assuming they pick at a steady rate, after 30 minutes, how many more apples has Andy picked than has Bob?
字符串’Hi,Andy’中,字符’A’对应的下标位置为()。
作为项目领导,Andy在一定程度上确保团队成员可以得到一些黄金时间,在团队内建立社区感。在保证共度黄金时间的过程中,他实际上是在()