#include<stdio.h>
int main()
{
int a = 0;
int Sn = 0;
printf("请输入a:");
scanf("%d", &a);
Sn = a + a * 11 + a * 111 + a * 1111 + a * 11111;
printf("%d+%d+%d+%d+%d=%d\n", a, a * 11, a * 111, a * 1111, a * 11111, Sn);
system("pause");
return 0;
}本文出自 “Vs吕小布” 博客，请务必保留此出处http://survive.blog.51cto.com/10728490/1701619
原文：http://survive.blog.51cto.com/10728490/1701619