{
```#include<iostream>
using namespace std;
int main()
{
int a=1,b=1,c=1;
for(a=1;a<10;a++)
{
for(b=1;b<=a;b++)
{c=a*b;
printf("%d*%d=%d\t", a, b, c);
}
printf("\n");}
return 0;
}
```
}
1.
```#include<iostream>
using namespace std;
int main()
{
int a=1,b=1,c=1;
for(a=1;a<10;a++)
{
for(b=1;b<=a;b++)
{c=a*b;
printf("%d*%d=%d\t", a, b, c);
}
printf("\n");}
return 0;
}
```
}
1.