?? ?????????????????????
????:1????????:??????
2??????
3???????
4???????
5??????
???12?2???? ?????????????:??,??????????????
??
??,??,?,????????????????????????
????:???????????????????????12?2???? ?????????????:??,??????????????
??
??,??,?,????????????????????????
????:????????????????????????:1????????:??????
2??????
3???????
4???????
5??????
???12?2???? ?????????????:??,??????????????
??
??,??,?,????????????????????????
????:????????????????????