浅谈c# 浮点数计算

void Main()
{
  var f = 0.1 +0.1 +0.1 -0.3;
  Console.WriteLine("f=={0}",f);
}

void Main()
{
  //var f = 0.1 +0.1 +0.1 -0.3;
  //Console.WriteLine("f=={0}",f);
  
  var f1 = new Decimal(0.1) + new Decimal(0.1) + new Decimal(0.1) - new Decimal(0.3);
  Console.WriteLine("f1 == {0}",f1);
}