?? ?6??????????????12?
????:1?????:???????
2?????????????
3?????????
4????????
5???????????
??????:??27???????????????????????????,??,?6?12??????
???:????????????:??27???????????????????????????,??,?6?12??????
???:??????????:1?????:???????
2?????????????
3?????????
4????????
5???????????
??????:??27???????????????????????????,??,?6?12??????
???:??????