?? ????? 1?? ???(?????)? ?30? ??????? ?????? ??? 50m?? ??, 2??? ??. ???? 10? ????????? ??? ??? ??? 50m ???? ????(26?27·???)? ?? 0.02? ?? 26?29? ??, ???? ????(26?61)? 4? ?? ???? 1?? ???. ??? ???? ?? ??? 100m? ?? ??? ?????? ??? ?????? ??? ????. ?? ???(?????) ?? ??????? ??? ??? ???? 2??? ???.