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???? ???? ??????? pendulums ?? ?????? ????? ????????? ??? ??????? ??????? ????????? ????? ???? ??? ?? ??????? ??????? ???? ???????? ?? ???? ??. ??????? ????? ??????, ???????????, ??????? ???????, ??????, ???????, ?????, ?????, ???????????????? ??? ???? ??????????? ????????? ???????? ????? ??. ???? ?????????? ????? ???? ?????, ??????? pendulums ?? ?????? ??????? ??????? ????? ???? ?????????? ??????????? ???? ?????? ??, ?? ?????? ?????????? ????? ??????? ???? ?? ????? ???? ??????.
??????? pendulam ?????? ??????? ???? ????? ??. ??????? ?????? ? ?? ?? ???? ????? ????? ???? ??????? ?????? ??? ????? ??. ??????? ??????? ?????? 10 ?? 25 ???? ?????? ??? ??, ??? ???? ??????? ?????? 50 ???? ?????? ??? ??. ?? ??????? ????? ???? ???? ?? ?????? ????????? ??????? ?????????? ???? ??????? ?? ?????????? ????? ??. ??????? pendulam ?????? ??????? ????? ??? ???? ????? ?????????? ????? ???? ??????? ???? ????????? ??????? ?? ??, ??? ?? ??? ?????? ??? ?????? ??? ?????? ??. ????? ??????? ???????? ???????? ????? ??? ???? ???.
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