??? ?????? ?????? ????? ??? ???? ???? ?????????? ??????? ?? ??????? ?????? ??????? ???? ?????? ?? ???? ???? ????? ??????? ????????? ?? ????? ??? ??????.
???? ????? ???? ??? ??????? ?????? ????????? ????? ???????? ????? ????? 1/15? 15/12? 12/15 ????? ?????? ?????? ??????. ???? ????????? ????????? ?????? ????????? ???? ??????? ???? ??????? ?????? ???? ????????? ????? ???????? ????? ????? ?? ??? ???? 5/15 ? 5/15. (????????)
