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

Reading Comprehension
In presenting the argument, the author does which ......
Graphic Analysis
Approximately how many million factory jobs were h......
Text Completion
In modern times, friendship has become a _____ rel......
Sentence Equivalence
The Chicago journal known as Poetry has been the l......
Sentence Equivalence
Excessive focus on what might have been can cause ......
Text Completion
As the study of the foundation of western Shanghai......
Text Completion
Conventionally, the ultimate measure of a scientif......
Text Completion
To the avid reader of E.O. Wilson, much of his mos......

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