Dim a, b As Integer
a = InputBox("请输入a号码")
b = InputBox("请输入b号码")
#include
int main ()
{
float a,b,s;
printf("请输入a=");
scanf("%d\n",&a);
float a,b;
printf("请输入b=");
scanf("%d\n",&b);
s=2*a*b/((a+b)*(a+b));
printf("s=%d\n",s);
return 0;
}
希望能帮助你
#include
int main(void)
{
int a, b;
double S;
printf("Input a and b:");
scanf("%d%d", &a, &b);
S = (double)(2 * a * b) / ((a + b) * (a + b));
printf("S=%lf", S);
return 0;
}