 2.0
1.       Ȼ
    -λ.
-      -Ļ (    4- . N  4)
-          -Ļ. 
-          -Ļ     ջ. 
-    1   -Ļ
-    2   -Ļ
-           ( ۻ,  1     5).
    ʻ.
-   ջ       ջ. 
-   ջ        .

2.    ߻   .  
    
     ,       .       (    ).
          (   ),               .
!                   .
   
           .       (    ).
          (   / ),           (  10)    .
          .
!               ջ,       (  ,    ).

3.    ջ
           ,                .      :    70 ?,    0 /,    .

 2.1
   -λ,        (  Ļ    ʻ)
      Ȼ:      .
      .
   "  " - " " : ".".
     ,   .
    ϻ   .  
    Ļ   .  
  "  "   "   "  . 
     (,  , , ).
  .
!!!!           (, , )   
 2.1b
     MP7.0.
 2.1
  
 2.1d
  
 2.1e
  
 2.1f
    "    "
 2.1g
  
    
 2.2
      
 2.3
  
   
   .