How many three-digit numbers are there that have the sum of their digits equal to 7?. 相关知识点: 试题来源: 解析 28.. First of all, we can list out the ways to rewrite 7 as the sum of three numbers: 7=0+0+7=0+1+6=0+2+5=0+3+4 =1+1+5=1+2+4=1+3+3=2+2+3 ...
结果1 题目 18.有多少个三位数,它们各位上的数字和均为18. How many 3-digit numbers are there for which the24?sum of the digits of the number is 24?(A)3(B)6(C)7(A)3(B)6(C)7(D)10(E)18(D)10(E)18 相关知识点: 试题来源: 解析 优质解答 反馈 收藏 ...
How many three-digit numbers are there in which every digit is a multiple of 4?相关知识点: 数与代数 数的认识 整数的认识 万以内数的认识 试题来源: 解析 18. 个位数中是4的倍数的数字有:0,4,8,三位数中,每个数位上的数字是4的倍数的数有:444,888,448,484,844,488,848,884,400,408,480,804...
How many three-digit numbers are there that have the sum of their digits equal to 10? 答案 54.When the hundred digit is 1: 109, 118, 127, ⋯,190, there are 10 numbers;when the hundred digit is 2: 208, 217, 226,⋯,280, there are 9 numbers;when the hundred digit is 3: 307...
How many three-digit numbers are there with no repeating digits? 答案 648.三位数的百位除0外有9种选择,十位可以选0,但不能与百位重复,所以有9种选择,个位不能与百位个十位重复,所以有8种选择,一共可以组成9×9×8=648个没有重复数字的三位数.相关推荐 1没有重复数字的三位数有多少个?How many ...
请问共有多少个三位数使得它的其中一个数码等于其它两个数码之和? How many three-digit numbers are there in which one of the digits is the sum of the other two? 相关知识点: 试题来源: 解析 126 Enumerating the following numerals: 101,202,211,303,321,404,413,422,⋯, and counting all the...
aDongying aijian science and Trade Co Ltd Dongying aijian科学和贸易Co有限公司[translate] aTurn step 转动步[translate] aHow many 3-digit numbers are there in which the number of even digits is even? 多少个3数字数字有没有在哪些均匀数字的数量是均匀的?[translate]...
【题目】How many 3-digit number(s) is/are there that can be divisible by 5 or 7 but not divisible by 17?能被5或7整除而不能被17整除的三位数有多少个? 答案 【解析】267.相关推荐 1【题目】How many 3-digit number(s) is/are there that can be divisible by 5 or 7 but not divisible...
百度试题 结果1 题目【题目】How many 3-digit number(s) is/are there such thatthe number does not contain digit "O" or "1"?有多少个不包含数位0或1的三位数? 相关知识点: 试题来源: 解析 【解析】512. 反馈 收藏
It is possible to 1use an indirect method to find out how many 3 digit mumbers have adjacentdigits which are the same and then subtract from the total number of three digit numbersto determine the number of numbers in which no adjacent digits are the same.In total, using the product rule...