c++ 打印计算器

 1 //嵌套循环 乘法口诀
 2 #include <iostream>
 3 using namespace std;
 4 int main()
 5 {
 6     int i ,j;
 7     for ( i = 1; i <= 9; i++)
 8     {
 9         for (j = 1; j <= i; j++)
10         {
11             cout << j<< "*"<<i<< "=" << j*i<< "  ";
12             //printf("%d * %d = %d\t", j, i,j*i);
13         }
14 
15         cout << endl;
16         
17     }
18 
19 
20 
21 
22     
23     system("pause");
24     return 0;
25 }