复数加减运算

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//完成时间：2014年12月12日
//问题描述：（1）设计复数类Complex，计算两个复数之和、差，同时以 a＋bi 的字符串形式显示。（2）使用复数类Complex验证两个复数 1＋2i 和3＋4i 相加产生一个新的复数 4＋6i ，相减产生一个新的复数 -2-2i

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication32
{
class Program
{


static void Main(string[] args)
{

complex num1 = new complex(1, 2);
complex num2 = new complex(3, 4);
complex complexAdd = num1 + num2;
complex complexreduce = num1 - num2;

Console.WriteLine("第一个复数：{0}", num1);
Console.WriteLine("第二个复数：{0}", num2);
Console.WriteLine("两个复数之和：{0}", complexAdd);
Console.WriteLine("两个复数之差：{0}", complexreduce);
Console.ReadLine();
}
}
class complex
{
public double RealPart;
public double ImaginPart;
public complex(double RealPart, double ImaginPart)
{
this.RealPart = RealPart;
this.ImaginPart = ImaginPart;
}
public static complex operator +(complex a, complex b)
{
return new complex(a.RealPart + b.RealPart, a.ImaginPart + b.ImaginPart);
//return new complex(a.RealPart - b.RealPart, a.ImaginPart - b.ImaginPart);
}
public static complex operator -(complex a, complex b)
{
return new complex(a.RealPart - b.RealPart, a.ImaginPart - b.ImaginPart);
}


public override string ToString()
{
return (String.Format("{0}+{1}i", RealPart, ImaginPart));
return (String.Format("{0}-{1}i", RealPart, ImaginPart));

}


}

}

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