百度试题 结果1 题目16. How many even two-digit numbers are there where the sum of the digits is 5?(A)0(B)2(C)3(D)4(E)5 相关知识点: 试题来源: 解析 16.两位数中数码和为5的偶数有14 、32、 50三个. 答:(C) 反馈 收藏
The even multiples of 3 are 6, 12, 18,⋯ The largest multiple of 6 less than 101 is 16×6=96 .Multiple of 6 less than 101 are : 1×6, 2×6, 3×6, 4×6, ⋯,16×6. There are 16 even multiple of 3 between 1and 101 . 1到101之间有多少个偶数是3的倍数? 3的偶数倍数有...
To find the number of 3-digit even numbers that can be formed using the digits 1, 2, 3, 4, 5, 6, and 7 without repeating any digits, we can follow these steps:Step 1: Identify the last digit Since we want to form an even number
To solve the problem of how many 3-digit even numbers can be formed from the digits 1, 2, 3, 4, 5, 6, and 9 with repetition allowed, we can break it down step by step.Step 1: Identify the digits The available digits are: 1, 2,
How many numbers are there between {eq}1 {/eq} and {eq}1000 {/eq} (both inclusive) which are divisible neither by {eq}2 {/eq} nor by {eq}5 {/eq}? Operations on Sets: If {eq}A {/eq} and {eq}B {/eq} are two sets and {eq}U {/eq...
百度试题 结果1 题目How many prime numbers are even( ). A. 0B. 1C. 2D. 3相关知识点: 试题来源: 解析 B 反馈 收藏
tens place can be filled by any of the 6 digits in 6 different ways and also the hundreds place can be filled by any of the 6 digits in 6 different ways, as the digits can be repeated.Therefore, by multiplication principle, the required number of three digit even numbers is 3*6*6=...
In recent years, serious climate problems have not only caused concern but also posed a threat to people’s health [1,2]. Countries worldwide have adopted relevant climate policies to control greenhouse gas emissions and promote sustainable growth [3]. However, there may be many shortcomings in...
Gross domestic product is a measurement that seeks to capture a country’s economic output. Countries with larger GDPs will have a greater amount of goods and services generated within them, and will generally have a higher standard of living. For this reason, many citizens and political leaders...
How many integers between 100 and 1, 000 have a hundreds digit that is even, a tens digit that is odd, and a non-zero units digit that is divisible by 3? A. 15 B. 30 C. 45 D. 60 E. 75 …… 扫二维码|领取机经 关注本...