. , .

: 1,35 1,81

, , .

    = (  "")


= ( "") + ( ) − ( ) ( " ").

      - 0734
      0734: 4- 4- ...


      1. , , . 2. ...

      (HCU)
      (HCU) 1 (HCU); 2 HCU; 3 ; 4 1. ...