???????У??? ???Σ???????й?????????????????й??????н????????????????н??????????????????????????????????????????????????34???????д????“У????”??????????????????????У???У????????????λ????У????????????λ????????????????????“????????”У?????????У???У???2???3?????????4??????“?????”????????????????У?????????????У???У???????1?????????1?????????2??????“??????”??????????????У???У???????6?????????9??????“????????????”??????????????????У???У???????1?????????7?????????5????