1/4 ??? ????+??????? ??????? ???+????? ????? ??? ????? (??? ???)+1/2 ??? ???? (????)+??? ????? ?????+???? ????? ???? ??????+????? (???? ????)
1/4 ??? ????+??????? ??????? ???+????? ????? ??? ????? (??? ???)+1/2 ??? ???? (????)+??? ????? ?????+???? ????? ???? ??????+????? (???? ????)