public static SoPhuc operator /(SoPhuc a, SoPhuc b)
{
SoPhuc kq = new SoPhuc();
SoPhuc w = new SoPhuc();
w.phanThuc = a.phanThuc * a.phanThuc - a.phanAo * a.phanAo;
w.phanAo = 2 * a.phanThuc * a.phanAo;
kq = w * b;
return(kq);
}
static void Main(string[] args)
{
Console.WriteLine("Nhap so phuc A: ");
SoPhuc A = new SoPhuc();
A.Nhap();
Console.WriteLine("Nhap so phuc B: ");
SoPhuc B = new SoPhuc();
B.Nhap();
SoPhuc C = new SoPhuc();
int x;
Console.WriteLine("-nhap 1 neu muon tinh A + B: \n-nhap 2 neu muon tinh A - B: " +
"\n-nhap 3 neu muon tinh A * B: \n-nhap 4 neu muon tinh A / B: \n");
x = int.Parse(Console.ReadLine());
if (x == 1)
{
C = A + B;
}
if (x == 2)
{
C = A - B;
}
if (x == 3)
{
C = A * B;
}
if (x == 4)
{
C = A / B;
}
if (x >= 5)
{
Console.WriteLine("Nhap sai!!!");
Environment.Exit(0);
}
C.Xuat();
}