public static void Main(string[] args)
{
PHAN_SO A;
PHAN_SO B;
QUAN_HE kq;
A = XL_PHAN_SO.Nhap("Nhap phan so A:\n");
B = XL_PHAN_SO.Nhap("Nhap phan so B:\n");
kq = XL_PHAN_SO.So_sanh(A, B);
String Chuoi;
Chuoi = XL_PHAN_SO.Chuoi(A) + "kq" + XL_PHAN_SO.Chuoi(B);
if (kq == QUAN_HE.Nho_hon)
{
Chuoi = Chuoi.Replace("kq", "<");
}
else
if (kq == QUAN_HE.Bang_nhau)
{
Chuoi = Chuoi.Replace("kq", "=");
}
else
if (kq == QUAN_HE.Lon_hon)
{
Chuoi = Chuoi.Replace("kq", ">");
}
XL_CHUOI.Xuat(Chuoi);
}
static void Main(string[] args)
{
PHAN_SO A, B, kq;
A = XL_PHAN_SO.Nhap("Nhap phan so thu nhat:\n");
B = XL_PHAN_SO.Nhap("Nhap phan so thu hai:\n");
kq = XL_PHAN_SO.Tich(A, B);
String Chuoi;
Chuoi = XL_PHAN_SO.Chuoi(A) + " * ";
Chuoi = Chuoi + XL_PHAN_SO.Chuoi(B) + " = ";
Chuoi = Chuoi + XL_PHAN_SO.Chuoi(kq);
XL_CHUOI.Xuat(Chuoi);
}
public static PHAN_SO Max(ArrayList Ps)
{
PHAN_SO kq;
kq = (PHAN_SO)Ps[0];
foreach (PHAN_SO x in Ps)
{
if (XL_PHAN_SO.So_sanh(x, kq) == QUAN_HE.Lon_hon)
{
kq = x;
}
}
return(kq);
}
public static void Main(string[] args)
{
BIEU_THUC P;
PHAN_SO kq;
P = XL_BIEU_THUC.Nhap("Nhap vao 1 bieu thuc phan so:\n");
kq = XL_BIEU_THUC.Tinh(P);
String Chuoi = "";
Chuoi = Chuoi + XL_BIEU_THUC.Chuoi(P) + " = ";
Chuoi = Chuoi + XL_PHAN_SO.Chuoi(kq);
XL_CHUOI.Xuat(Chuoi);
}
public static void Main(string[] args)
{
ArrayList Ps;
PHAN_SO kq;
Ps = XL_DAY_PHAN_SO.Nhap("Nhap vao day phan so:\n");
kq = XL_DAY_PHAN_SO.Max(Ps);
String Chuoi = "Day cac phan so ";
Chuoi = Chuoi + XL_DAY_PHAN_SO.Chuoi(Ps) + "\n";
Chuoi = Chuoi + "co phan so lon nhat la ";
Chuoi = Chuoi + XL_PHAN_SO.Chuoi(kq);
XL_CHUOI.Xuat(Chuoi);
}
public static String Chuoi(ArrayList Ps)
{
String kq = "";
for (int i = 0; i < Ps.Count; i++)
{
PHAN_SO x = (PHAN_SO)Ps[i];
kq = kq + XL_PHAN_SO.Chuoi(x);
if (i < Ps.Count - 1)
{
kq = kq + Ky_tu_phan_cach;
}
}
return(kq);
}
public static ArrayList Nhap(String Ghi_chu)
{
ArrayList kq = new ArrayList();
String Chuoi;
do
{
Chuoi = XL_CHUOI.Nhap(Ghi_chu);
} while (!Kiem_tra(Chuoi));
String[] M = Chuoi.Split(new char[] { Ky_tu_phan_cach });
for (int i = 0; i < M.Length; i++)
{
kq.Add(XL_PHAN_SO.Tao(M[i]));
}
return(kq);
}
public static BIEU_THUC Nhap(String Ghi_chu)
{
BIEU_THUC kq;
long n;
XL_CHUOI.Xuat(Ghi_chu);
n = XL_SO_NGUYEN.Nhap("Bieu thuc co bao nhieu so hang:");
kq.So_hang = new PHAN_SO[n];
kq.Toan_tu = new TOAN_TU[n - 1];
char c;
kq.So_hang[0] = XL_PHAN_SO.Nhap("Nhap so hang thu 1 : \n");
for (int i = 1; i < n; i++)
{
kq.Toan_tu[i - 1] = XL_TOAN_TU.Nhap("Nhap toan tu thu " + i + " : ");
kq.So_hang[i] = XL_PHAN_SO.Nhap("Nhap so hang thu " + (i + 1) + " : ");
}
return(kq);
}
public static PHAN_SO Tinh(BIEU_THUC P)
{
PHAN_SO kq;
kq = P.So_hang[0];
for (int i = 1; i < P.So_hang.GetLength(0); i++)
{
if (P.Toan_tu[i - 1] == TOAN_TU.Cong)
{
kq = XL_PHAN_SO.Tong(kq, P.So_hang[i]);
}
else
if (P.Toan_tu[i - 1] == TOAN_TU.Tru)
{
kq = XL_PHAN_SO.Hieu(kq, P.So_hang[i]);
}
}
return(kq);
}
public static String Chuoi(BIEU_THUC P)
{
String kq = "";
kq = kq + XL_PHAN_SO.Chuoi(P.So_hang[0]);
for (int i = 1; i < P.So_hang.GetLength(0); i++)
{
if (P.Toan_tu[i - 1] == TOAN_TU.Cong)
{
kq = kq + " + ";
}
else
if (P.Toan_tu[i - 1] == TOAN_TU.Tru)
{
kq = kq + " - ";
}
kq = kq + XL_PHAN_SO.Chuoi(P.So_hang[i]);
}
return(kq);
}
public static Boolean Kiem_tra(String Chuoi)
{
Boolean kq = true;
try
{
String[] M = Chuoi.Split(new char[] { Ky_tu_phan_cach });
for (int i = 0; i < M.Length; i++)
{
if (!XL_PHAN_SO.Kiem_tra(M[i]))
{
kq = false;
break;
}
}
}
catch (Exception Loi)
{
kq = false;
}
return(kq);
}
