Поменять цикл while на do...while #include
#include
#include
#include
using namespace std;
int main()
{
float b,x,t,z;
printf ("\n");
printf (" b| x| t| z|\n");
printf ("\n");
b=3.5;
{
printf ("%f\n",b);
x=1,t=0;
while (x<=2)
while (t<=1)
{
z=b*x*sqrt(t+b)*(t*x+2.1);
printf (" %f| %f| %f\n",x,t,z);
t=t+0.2;
x=x+0.2;
}
printf("\n");
return 0;
}