?? ????? IGCSE ???????? ?? ??????? ????? ?????? ??????? ?????? ???????? ????? ????? ????? ???? ??????? ??? ?????? ??????. ???? ??????? ???????? ??????? ??????? ????????? ???? ??? ??????? ?????? ????????? ?????? ??????? ????????? ???? ??? ??????? ???????? ?? ??????. ????? ??????? ?????? ?????? ????? ?? ??????? ???????? ?? ??????? ???? ????? ?????