using System;

class Test

{

        public static void Main()

        {

                Console.WriteLine ("该程序将求出三阶行列式的值:");

                int[,] A=new int [3,3];

                for(int i=0;i<3;i++)

                {

                        for(int j=0;j<3;j++)

                        {

                                Console.WriteLine ("请输入第{0}行第{1}列的值:",i+1,j+1);

                                A[i,j]=int.Parse (Console.ReadLine ());

                        }

                }

                Console.WriteLine ("你输入的行列式为:");

                for(int i=0;i<3;i++)

                {

                        for(int j=0;j<3;j++)

                        {

                                Console.Write(A[i,j]+"\t");

                        }

                        Console.WriteLine ();

                }

                int result=A[0,0]*A[1,1]*A[2,2]+A[0,1]*A[1,2]*A[2,0]+A[1,0]*A[2,1]*A[0,2]-A[2,0]*A[1,1]*A[0,2]-A[1,0]*A[0,1]*A[2,2]-A[2,1]*A[1,2]*A[0,0];

                Console.WriteLine ("该三行列式的值是:"+result);

        }

}