2?21?,?(?)??????????????????? ????????????? ????? 2???????21??????????,????? ? ? 2?????21???????????,?????(???)??? ????? ? 2?21?,??????????? ? ? 2?21?????,??? ?????????? ??? 2???21???,???????????? ??????? ? 2?21?,?(?)??? ?? ? 2??????????????21?????,????????? ??? ?????????????????????? ????:?? ??“????”

?? ?????????

????:1?????:??????????

2????????????

3???????????

4????????????

5??????????

2?21?,?(?)??????????????????? ????????????? ????? 2???????21??????????,????? ? ? 2?????21???????????,?????(???)??? ????? ? 2?21?,??????????? ? ? 2?21?????,??? ?????????? ??? 2???21???,???????????? ??????? ? 2?21?,?(?)??? ?? ? 2??????????????21?????,????????? ??? ?????????????????????? ????:??