public void Media3()
        {
            double med3 = ClassEsercizi.Media(7, 7);
            Assert.AreEqual(med3, 7);


        }
 public void Media2()
 {
     double med2 = ClassEsercizi.Media(3, 4);
     Assert.AreEqual(med2, 3.5);
 }
 public void Media1()
 {
     double med = ClassEsercizi.Media(5, 2);
     Assert.AreEqual(med, 3.5);
 }