编程从键盘输入一个三位数,将它们逆序输出。如输入123,输出321.谢谢...答:void main(){int x,a,b,c;cin>>x;a=x/100;b=x/10%10;c=x%10;cout<<c*100+b*10+a<<endl;例如:include<stdio.h> int main(){ int a,b,c,t;scanf("%d",&a);b=a%10;c=(a-b)%100;t=a/100;printf("b=%dc=%dt=%d",b,c,t);return 0;} ...