public static void Main()
Console.WriteLine("Сложни задачи");
Console.WriteLine((999*100)-(200*3-500)*6);
Console.WriteLine((9925-199)*100000- 23455367+(24465614-1323141*2));
Console.WriteLine((924-199)*3636- 233636+(2463414-1367141*23));
Console.WriteLine((75-199)*13636- 237321+(2446414-13139141*21));
Console.WriteLine((14-199)*1252- 23713+(24789414-13124541*25));