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CSharp · Console

/Program.cs

using System;
					
public class Program
{
	public static void Main()
	{
		int toplam = 0;

		for(int i=1; i<=1000 ;  i=i+4){
			toplam = toplam + ( i*(i+1)-(i+2)*(i+3));
			Console.Write("("+ i +"*"+(i+1)+"-"+(i+2) +"*"+(i+3) +")+");
		}
		Console.WriteLine("\n Sonuç: "+toplam.ToString());
	}
}