static void Main(string[] args) { int[] a = new int[10]; int[] b = new int[10]; int oblPl = 0, oblU = 0; for (int i = 1; i < 10; i++) { Console.WriteLine("Ukazhite ploshad' " + i); a[i] = int.Parse(Console.ReadLine()); Console.WriteLine("Ukazhite urozhai " + i); b[i] = int.Parse(Console.ReadLine()); oblU = oblU + a[i] * b[i]; oblPl = oblPl + a[i]; } Console.WriteLine("Oblastnaya ploshad' " + oblPl); Console.WriteLine("Oblastnaya urozhainost' " + oblU/oblPl); Console.ReadLine();Случайно не это?