Find the number of 4- digited numbers that can be formed using the digits 1,2,4,5,7,8 when repetition is allowed.
Find the number of three-digit numbers possible if only the digits 0,1,2,3,4and5 may be used,the number must be a multiple of 5,and no digit may be used more than twice in the same number 相关知识点: 试题来源: 解析 一个三位数,只能由0,1,2,3,4,5来组成,它必须是5的倍数,这个...
结果1 题目 12. Find the number of 6-digit numbers using the digits 3,4,5,6,7,8 without repetition.How many of these numbers are(a)divisible by 5, (b) not divisible by 5. 相关知识点: 试题来源: 解析 720a) 120 ,b) 600 反馈 收藏 ...
百度试题 结果1 题目 37. Find the sum of the largest and smallest 4-digit numbers formed by using the 4 cards below.3715Ans: 相关知识点: 试题来源: 解析 8888 反馈 收藏
百度试题 结果1 题目Find all four-digit abcd numbers with a digit sum of 12 such that ab-cd = 1 相关知识点: 试题来源: 解析 x₁= 2019d₀=20-19=1s₁=2+0+1+9=12x₁=2019 反馈 收藏
To find the number of all 6-digit natural numbers such that the sum of their digits is 10 and each of the digits 0, 1, 2, and 3 occurs at least once, we can break down the problem into manageable steps.Step 1: Understand the requirement
Find the sum of the least and greatest two-digit prime numbers whose digits are also prime. Solution 96. Consider prime numbers such that each digit is 2, 3, 5, or 7. The smallest two-digit number that can be formed with these digits is 22, but it is not prime. Therefore, 23 is...
(1)Which of the following does the passage NOT tell us? DA. The number of the digits in the mobile phone numbers in China and some other countries.B. The number of the parts that the 11 digits are divided into and their meaning....
百度试题 结果1 题目(i) Find how many different 5-digit numbers can be formed using the digits 1, 2, 3, 5, 7 and 8, if each digit may be used only once in any number.[1] 720 相关知识点: 试题来源: 解析 720 反馈 收藏
百度试题 结果1 题目Find the difference of the values of the digit 8 in the numbers below.95486812Ans:792 相关知识点: 试题来源: 解析 792 反馈 收藏