???(20·???? ???????)? ?? ??? ??? ???? 1?? ???? 9?? ????.
6? ??? ?????? ???? ???.8?9? ?? 9?? ????? ???? ????? 2? ???? 1???? ??? ? 3? ?????? ????? ???.
??? ???? 4? ????? ??? ??,5? ?????? ??? ???? ??? ??? ?????.???? 9?8? ??.
??? ???? ????? ??? 4? ???? 1? ???? ??????? 3???? ?? ?? ?? 3??? ????? ??? ???? 4.76?? ?????.
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