public void TestMethodTrapezium()
        {
            int n      = 1000;
            var result = ClassSolutions.SumMethodTrapezium(n);

            Assert.AreEqual(0.697, result);
        }
        public void TestMethodMonteKarlo()
        {
            int n      = 1000;
            var result = ClassSolutions.MethodMonteKarlo(n);

            Assert.AreEqual(0.697, result);
        }
        public void TestMethodSimpson()
        {
            int n      = 1000;
            var result = ClassSolutions.SimpsonsMethod(0, 1.2, n);

            Assert.AreEqual(0.697, result);
        }
        public void TestMethodLeft()
        {
            int n      = 1000;
            var result = ClassSolutions.SumMethodOfTheLeft(n);

            Assert.AreEqual(0.697, result);
        }
        static void Main(string[] args)
        {
            Console.WriteLine("Введите число отрезков");
            int n = int.Parse(Console.ReadLine());

            Console.WriteLine("Метод Левых " + ClassSolutions.SumMethodOfTheLeft(n));
            Console.WriteLine("Метод Правых " + ClassSolutions.SumMethodOfTheRight(n));
            Console.WriteLine("Метод Монте-Карло " + ClassSolutions.MethodMonteKarlo(n));
            Console.WriteLine("Метод Симпсона " + ClassSolutions.SimpsonsMethod(0, 1.2, n));
            Console.WriteLine("Метод трапеции " + ClassSolutions.SumMethodTrapezium(n));
        }