(Lehe) Prog 1

#include "iostream"
#include "conio.h"
#include "math.h"

using namespace std;

int main() {
    float x = 0, y = 0;
    cout << "Vvedite X:" << endl;
    cin >> x;
    y = 1.7 * x * x * x - 6.3 * x + 2.7;
    cout << "y = ";
    cout << y;
    _getch();
    return 0;
}