天天向上

   1: static void Main(string[] args)

   2:  {

   3:      var v1 = f1();

   4:      var avg1 = v1 / 3;

   5:      Console.WriteLine($"{avg1.GetType().Name}, avg: {avg1}");

   6:  

   7:      var v2 = f2();

   8:      var avg2 = v2 / 3;

   9:      Console.WriteLine($"{avg2.GetType().Name}, avg: {avg2}");

  10:  

  11:      var v3 = f3();

  12:      var avg3 = v3 / 3;

  13:      Console.WriteLine($"{avg3.GetType().Name}, avg: {avg3}");

  14:  

  15:      var v4 = f4();

  16:      var avg4 = v4 / 3;

  17:      Console.WriteLine($"{avg4.GetType().Name}, avg: {avg4}");

  18:  

  19:      var v5 = f5();

  20:      var avg5 = v5 / 3;

  21:      Console.WriteLine($"{avg5.GetType().Name}, avg: {avg5}");

  22:      Console.ReadKey();

  23:  }

  24:  static double f1()

  25:  {

  26:      double x = 100;

  27:      return x;

  28:  }

  29:  static float f2()

  30:  {

  31:      float x = 100;

  32:      return x;

  33:  }

  34:  static decimal f3()

  35:  {

  36:      decimal x = 100;

  37:      return x;

  38:  }

  39:  static long f4()

  40:  {

  41:      long x = 100;

  42:      return x;

  43:  }

  44:  static Int32 f5()

  45:  {

  46:      Int32 x = 100;

  47:      return x;

  48:  }