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3. ?????????: ????????? ??? ???? ??????????????? ??? ?? ???? ??? ?????????????????? ??????????????. ??? ??? ???????? ??? ??????? ??????????????, ????????? ????? ???? ???????? ??? ?? ???????????? ???????????? ????? ?? ??????? ?? ??????????? ??? ?????? ??????? ??????. ??? ?????, ?????? ????????? ?????????? ??? ??????? ???? ?????? ?? ??????? ????? ??? ????????????? ??????? ?????? ??? ????????????. ?????????? ????? ???? ??????? ?????? ??? ?????????????? ??? ???????? ???????. 4. ???????: ??????? ????? ???? ????? ??????? ??? ?? ???? ??? ?????????????????? ??????????????. ????? ?????????, ?????? ??????? ????? ??????????? ????? ????????? ??? ??????? ???????????????, ????? ???????? ??????? ?????? ??? ????????????. ?? ????? ???? ??????? ????? ????? ????? ?????? ????? ??????? ??? ??? ????????? ??? ????????? ????? ??? ??????, ????? ??? ???????????? ????? ???????? ?? ???????? ??? ??????? ??? ?????, ???? ?? ????????? ????? ????????????????????? ??? ?????? ?????? ?? ??????? ????.