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