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