... public void ChuyenNhieuDia(uint SoDia, Cot B, Cot C) { // Chuyen mot dia sang C if( SoDia == 1) Chuyen1 Dia(C); else { ChuyenNhieuDia(SoDia-1,C, B); Chuyen1 Dia(C); B.ChuyenNhieuDia(SoDia ... class Test { public static void Main() { XeCar c = new XeCar(150,"49A-4444", "Toyota", 24); c.Xuat(); XeTai t = new XeTai(150,"49A-5555", "Benz", ... class XeTai: XeHoi { int TrongTai; public XeTai(int td, string BS, string HSX, int TT): base(td, BS, HSX) { TrongTai = TT; } //Tu khoa new che dau phuong thuc Xuat cua lop XeHoi...