(-+ ) -
      7  - -
- (+ ) -      (   )   (        -)    5  (     ) 5      - (   )   - (     )
  - (-75,5 , -16,5)  2 ( )  2 ( )  2 ( )  (     )    (     )
  (     )  (     )       (

" " - .

.
- 5 .


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