解析 解:[14,21]=42100÷42=2⋯⋯16最小:42×3=126最大:42×23=96623-3+1=21(个)故选:B。 由题可知,先算出14和21的最小公倍数,然后用100除以这个数,看有多少个,余多少,然后再计算出最小的三位数是多少,最大的三位数是多少,进而求出个数。
How many 4-digit multiples of 5 are there? How many 3-digit numbers can be written using the digits 0,2,2,4, and 6? How many perfect numbers are there? What is the value of the digit 3 in the number 3,725.89? How many 6-digit numbers can be made out of the digits 1, 2, ...
百度试题 结果1 题目How many -digit numbers whose sum of digit(s) is/ are or multiples of is/are there? 有多少个三位数的数位和是或的倍数? 相关知识点: 试题来源: 解析 . .反馈 收藏
How many 4-digit multiples of 5 are there? Which of the following represents the zeros of f(x) = x^3 ? 12x^2 + 41x ? 42? A. 7, ?3, 2 B. 7, ?3, ?2 C. 7, 3, 2 D. 7, 3, ?2 When 2610 + 11.7 + 0.22 are added, what is the significant number of the result?
Not many GRE questions will say, “Here’s a number: round it to the nearest such-and-such.” By contrast, many questions, in the course of asking something else, could ask you to round your answer to the nearest such-and-such. In this way, rounding is one math skill you need to...
百度试题 结果1 题目有多少个是8的倍数的三位数?How many three-digit numbers, which are multiples of 8 are there? 相关知识点: 试题来源: 解析 112.[999÷8]-[99÷8]=124-12=112. 反馈 收藏
How many positive integers less than 100 are neither multiples of 2 nor multiples of 3? Eliminating Integers: To find integers in a range that are not multiples of a specific number, or even two numbers, simply divide the number of integers in the range by the number of t...
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For each positive integer n, let S(n) denote the sum of the digits of n. For how many values of n is n+S(n)+S(S(n))=2007?( )对于任意正整数 n ,令 S(n) 表示 n 的各位数字之和。 有多少 n 的取值,使得 n+S(n)+S(S(n))=2007?( )A.1B.2C.3D.4E.5 答案 DSolution ...
To find how many numbers from 1 to 1000 are divisible by 2, 3, 4, and 5, we can follow these steps:Step 1: Find the LCM of the numbers 2, 3, 4, and 5 To determine how many numbers are divisible by all four numbers, we first nee