百度试题 结果1 题目1. (i) How many one-digit numbers are there? 相关知识点: 试题来源: 解析 There are 9 one-digit numbers. 反馈 收藏
How many four-digit positive integers are there with thousands digit 答案 问题是【4位数的正整数中有多少个的千位数是2的?】答:2000到2999之间的数字都符合条件,所以共有2999-2000+1=1000个,即【one thousand integers.】相关推荐 1How many four-digit positive integers are there with thousands digit 反...
How many 2-digit positive integers are there such that the product of their two digits is 24 ? A.One B.Two C.Four D.Six E.Eight 显示答案 后才可以添加做题笔记哦,还没有账号?马上注册 KMF 解析 网友解析 题目数据 收起 暂无解析 以上解析由考满分老师提供。
How many seven-digit telephone numbers are there for any one area code if the numbers 0 or 1 can not be used as the first digit of a seven digit phone number? 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 不用阶乘啊…… 第一位不能用0、1,所以有8种组合.后面6...
There are a set of rules to determine number of significant figures in a multiple number digit as given below All nono zero digits are significant. All the zero's between two non zero digits are significant. All the digits to the left of a decimal point are significant. All the ze...
百度试题 结果1 题目How many 3-digit numbers have exactly one even digit? ( )(A)350(B)450(C)375(D)75 相关知识点: 试题来源: 解析反馈 收藏
How many four−digit integers abcd, with a≠0 , have the property that the three two−digit integers ab<bc<cd form an increasing arithmetic sequence? One such number is 4692, where a=4, b=6, c=9, and d=2.( )A.9B.15C.16D.17E.20 答案 D相关推荐 1How many four−digit integ...
How many seven-digit telephone numbers are there for any one area code if the numbers 0 or 1 can not be used as the first digit of a seven digit phone number? 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 不用阶乘啊…… 第一位不能用0、1,所以有8种组合.后面6...
How many three-digit positive integers are there such that the three digits are 3, 4, and 8 ? 3 6 9 15 96So, you were trying to be a good test taker and practice for the GRE with PowerPrep online. Buuuut then you had some questions about the quant section—specifically question 8 ...
How many primes are there up to n? How many positive integers are less than and relatively prime to 24? How to find the prime factorization of a large, 5-digit number? What is the longest prime number? What digit will come in the place of 'a' in the number 1a5a01, if it is divi...