- 9

"N" "R"
"N" "D" ()
"N" "R" "N" "D" ( ) , 2 , , , , .

      -   10



      1. (. . 18 14.32). 2. , ...


      1 ; 2 ; 3 . 1. , ...

      - 7
      "N" "D" () ...