A palindrome is a number that reads the same forward and backward

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 palindrome is a number that reads the same forward and backward. For example, 2442 and 111 are palindromes. If 5-digit palindromes are formed using one or more of the digits, 1, 2, 3, how many such palindromes are possible?

A、12.0
B、15.0
C、18.0
D、24.0
E、27.0

答案：E

专业教师答疑

最新

提问

7
评分

7
浏览

Problem Solving

老师可以讲一下这道题吗

问个问题

答疑小程序

最热提问

Sentence Equivalence
Aristotle _____ the popular characterization of ou......
Problem Solving
The lengths of two sides of a triangle are 3 and 4......
Text Completion
Blake’s reputation for weakness is _____: almost......
Text Completion
A new television documentary focuses on of the pri......
Sentence Equivalence
An apparent paradox led the scientists to pursue t......
Text Completion
The contemporary trend whereby fashion designers f......
Text Completion
Making the shift to the 90-nanometer manufacturing......
Reading Comprehension
The author first mentions the addition of flux dur......

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