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- internal static class Gg
- {
- /// <summary>
- /// вычисляя сумму Sn как сумму элементов a1 + a[2] + a[3] + ... + a[n]
- /// </summary>
- public static void Govno()
- {
- var a1 = 0;
- Console.Write("Введите n: ");
- var n = int.Parse(Console.ReadLine());
- for (var i = 0; i < n; i++)
- {
- Console.Write("Введите a{0}: ", i + 1);
- a1 += int.Parse(Console.ReadLine());
- }
- Console.Write("Введите d: ");
- var d = int.Parse(Console.ReadLine());
- var an = a1 + d*(n - 1);
- double Sn = a1;
- Console.WriteLine("Sn={0}", Sn);
- Console.ReadKey();
- }
- }
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