      D2

    :

-  : 0...1 ;
- : 50 /...10 /;
-  : 0.5 /...0.1 /;
-   : 5 ;
-       : ,    .

   

      (1 )   .
       "",       ,     .             .
       "",      (  "").
           ""/"",    -  ""/"" (   ,    ""       ).
     ""  ""         .  -     ""  "".
     ""  ""             10 /...0.5 /.  -     ""  "".
         "*".
      ""  ""         ,      ;
            ,   ""     ,     ""\"".        .
     (  30     ) :
-   ;
-   ,     ;
-   ,     30  (   )     .
     (  15 ):
-   ,            ;
-      ,     .
      (5)     -       .      4.15             -         (5).
      (1-2)   .
