???? ?????????????????! ???? ??? ????????? ??????????? ?????????? ???? ??? ??????????????? ?????????????! ???? ????? ?????? ????? ??? ????????? ?????????????????? 100 ???! ???? ???? ??????| ????? ????? ???????? ??????! ???? ???? 10 ??? 100 ??? 400???200 ???????? ???????? ?????? ??? ????????? 10 ??? 100 ??????? ??????!! 10 ??? = 400 ??? ?????????