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Aug 20th, 2019
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  1. using System;
  2.  
  3. namespace _3._1
  4. {
  5. class Program
  6. {
  7. static void Main(string[] args)
  8. {
  9. int summ1ryad = 0;
  10. int umnozenie2ryad = 1;
  11. int[,] matrix = new int[3, 3] { { 1, 2, 3 },
  12. { 4, 5, 6 },
  13. { 7, 11, 9 } };
  14.  
  15. for (int i = 0; i < matrix.GetLength(0); i++)
  16. {
  17. for (int j = 0; j < matrix.GetLength(1); j++)
  18. {
  19. Console.Write(matrix[i, j] + " ");
  20. }
  21. Console.WriteLine(" ");
  22. }
  23. Console.WriteLine("");
  24. for (int k = 0; k < matrix.GetLength(0); k++)
  25. {
  26. summ1ryad += matrix[1, k];
  27. }
  28. Console.WriteLine("Сумма элементов второго ряда " + summ1ryad);
  29. for (int k = 0; k < matrix.GetLength(0); k++)
  30. {
  31. umnozenie2ryad *= matrix[k, 1];
  32. }
  33. Console.WriteLine("Произведение второго столбца: " + umnozenie2ryad);
  34. }
  35. }
  36. }
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