using System;class Matrix...{ static void Main() ...{ int[,] arr = new int[4, 6]; for (int i = 0; i < 4; i++) ...{ for (int j = 0; j < 6; j++) ...{ arr[i, j] = (i + 1) * 10 + j + 1; } } for (int i=0;i<4;i++)...{ for(int j=0;j<6;j++) ...{ Console.Write("{0} ",arr[i,j]); }Console.WriteLine();} }}