The letters D, G, I, I, and T can be used to form 5-letterstrings

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

The letters D, G, I, I, and T can be used to form 5-letterstrings such as DIGIT or DGIIT. Using these letters, how many 5-letter strings can be formed in which the two occurrences of the letter I are separated by at least one other letter?

A、12.0
B、18.0
C、24.0
D、36.0
E、48.0

答案：D

专业教师答疑

最新

提问

3
评分

3
浏览

Problem Solving

老师请问这题的解题思路是什么呀？

8
评分

8
浏览

Problem Solving

老师，麻烦问一下这题为什么不是120-24呢

问个问题

答疑小程序

最热提问

Problem Solving
The diagonal of a square with side 4 is a radius o......
Reading Comprehension
It can be inferred from the passage that the autho......
Text Completion
Anna Gavalda’s fiction is appealing largely beca......
Text Completion
Anthropologist Jane Goodall was _____ in her deter......
Text Completion
Observers of modern presidential campaigns who (i)......
Text Completion
There is nothing that (i)_____ scientists more tha......
Sentence Equivalence
Once White stepped down from a political platform,......
Reading Comprehension
The author of the passage mentions bridles in the ......

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