?? ??:? ???????????????5?21??
????:1???????:?????????
2???????
3????????????
4???????????
5???????
????11???????????27?? ???11???27???????,??,???5???,??21??
?????????????????????:???????????,?????????????????
???:??????11???????????27?? ???11???27???????,??,???5???,??21??
?????????????????????:???????????,?????????????????
???:??????:1???????:?????????
2???????
3????????????
4???????????
5???????
????11???????????27?? ???11???27???????,??,???5???,??21??
?????????????????????:???????????,?????????????????
???:??