MATLAB中[100,999]之间能被21整除的数的个数步骤。(rem)

2025-03-25 05:17:44
推荐回答(3个)
回答1:

最简单的方法,逐一判断能否整除,能整除则输出这些数,重新组成一个新的数组,程序如下:
clc;clear;
n=0;
for i=100:999
if mod(i,21)==0
n=n+1;
a(n)=i;
end
end
m=length(a);
fprintf('>>满足条件能被21整除的数共有:%d个。\n>>分别如下:\n',m);
a

回答2:

举个例子,希望有所帮助。代码% By lyqmath
clc; clear all; close all
t = 100 : 999;
t(rem(t,21)==0)
结果
ans = Columns 1 through 12 105 126 147 168 189 210 231 252 273 294 315 336 Columns 13 through 24 357 378 399 420 441 462 483 504 525 546 567 588 Columns 25 through 36 609 630 651 672 693 714 735 756 777 798 819 840 Columns 37 through 43 861 882 903 924 945 966 987>>

回答3:

100/21=4余16999/21=47余1247-4=43能被21整除的数的个数为43满意请采纳

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