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

Reading Comprehension
according to the passage, the "aerodynamic environ......
Graphic Analysis
In 1984 the population of pintails was approximate......
Graphic Analysis
What was the approximate percent increase in natio......
Text Completion
Unquestionably, the particular forms that folly an......
Sentence Equivalence
Recent research runs counter to the long-cherished......
Text Completion
It is refreshing to read a book about our planet b......
Text Completion
Although grandiose urban railroad stations are oft......
Issue
The best way for a society to prepare its young pe......

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