A guy wants to go to a store, a bank, a bookstore, and a shoe sho

您还没有登录，登录以后才可以查看答疑和进行提问。

试题详情

A guy wants to go to a store, a bank, a bookstore, and a shoe shop. It does not matter which one he goes first, but he must go to a bank before he goes to a shoe shop. How many different possible trip arrangements can he make?

答案：C

专业教师答疑

最新

提问

14
评分

14
浏览

Problem Solving

老师，请问这个为什么不是3*2*1呢？就是bank和shoe shop看成一个

问个问题

答疑小程序

最热提问

Text Completion
Holston characterized a colonial situation as an a......
Text Completion
Many creative photographers were delighted to find......
Text Completion
The difficulty for nineteenth-century advocates of......
Text Completion
Even though the authors repeatedly _____ their won......
Text Completion
In the solar system, collisions among the planets ......
Text Completion
For some time now, angle _____ has been presumed ......
Reading Comprehension
According to the passage, possible sources of the ......
Text Completion
The author presents the life of Zane Grey with ___......

试题详情

专业教师答疑 最新 提问

问个问题

答疑小程序

最热提问

专业教师答疑

最新

提问