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

2?????????

3?????????

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

5???????

12???2?????,???????????????,???????????,?????1.2???,?,??,??????(????????????)????? ?????????? ? 12?2?????,???????,??????(??????)? ????? ?????????????????? 12?2???????,???????????????,??????????? ????? ??? 12???????2?????,?????????????????,??? ? ? 12?2???,?????????????,??????? ? ? 12???????2???,?????,??????????? ??????????????????????? ?? 12?2?????,?????????(???)???????? ?????????????? ??????? ??:?????????????