---

using System;

class Program
{
    static void Main(string[] args)
    {
        double a = 3.0;
        double b = 12.0;
        double e = 0.001;

        double f(double x)
        {
            return 3 * Math.Pow(x ,2) -12 * x ;
        }

        while (Math.Abs(a - b) / 2 > e)
        {
            double c = (a + b) / 2;

            if (f(a) * f(c) < 0)
                b = c;
            else
                a = c;

            Console.WriteLine(c);
        }

        Console.WriteLine($"Приближённый корень: {(a + b) / 2}");
    }
}