?? ?????? ????????
????:1???90????????:??????????
2??????????
3?????????
4???????????
5??????
????,???????????,????,????????????????,??????????????????????????,????????????(??? ?? ??? ???? ??????)
???:????????????
????,???????????,????,????????????????,??????????????????????????,????????????(??? ?? ??? ???? ??????)
???:????????????
????:1???90????????:??????????
2??????????
3?????????
4???????????
5??????
????,???????????,????,????????????????,??????????????????????????,????????????(??? ?? ??? ???? ??????)
???:????????????