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...
结果一 题目 N equals the number of positive 3-digit numbers that contain odd digits only. 答案 N等于只包含奇数的正的3D数字的数量 相关推荐 1 N equals the number of positive 3-digit numbers that contain odd digits only. 反馈 收藏
百度试题 结果1 题目Find the number of the 3-digit positive numbers that any of its digits are not 5 but divisible by 5. 求所有三位正整数的数量使得它的任何位值都不是5,但能被5整除. 相关知识点: 试题来源: 解析 72. 反馈 收藏
number 在此处是数目数量的意思，不是数字的意思。
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...
N equals the number of positive 3-digit numbers that contain odd digits only. &... 返回 Quantity A N Quantity B 125 A.Quantity A is greater. B.Quantity B is greater. C.The two quantities are equal. D.The relationship cannot be determined from the information given....
3 There are some three-digit numbers. The sum of the three digits of each number is 24. How many such three-digit numbers are there in total? Putting the three-digit numbers that satisfy the condition in order from the greatest to the least, what is the fourth number? 相关知识点: ...
(1) How many 3-digit numbers can be formed using these 5 digits? (2) How many 3-digit odd numbers can be formed using these 5 digits?相关知识点: 试题来源: 解析 (1) 60 (2) 36 (1) Number of 3-digit numbers = 5P3=5×4×3=60 (2) Number of 3-digit odd-numbers = 3×4...
本题考查了乘法原理:做一件事,完成它需要分成n个步骤,做第一步有m1种不同的方法,做第二步有m2种不同的方法,…,做第n步有mn种不同的方法,那么完成这件事共有N=m1×m2×m3×…×mn种不同的方法.先排百位,有3种排法;再排十位,有3种排法;再排个位,有3种排法,共有3×3×3=27种,据此解答.27 ...
To make the largest result, when the number of digits is fixed, you should make the digit in the hundreds place as large as possible.So, for the these two three−digit, 6, 5 and 4 should be in the tens place, and 1, 2 and 3 should be in the ones place. Given an unchange...