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

?? ?????????

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

2???????

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

4??????????

5???????11?????

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