?? ????????????
????:1??????????:???????
2????????
3???????????
4????????
5???????????
?1?27?????(??)?????????????1?????????27??,??????
??????????????,??????????,???????????????????????,????(???????)
????:???????????????????????????????1?27?????(??)?????????????1?????????27??,??????
??????????????,??????????,???????????????????????,????(???????)
????:??????????????????????????????????:1??????????:???????
2????????
3???????????
4????????
5???????????
?1?27?????(??)?????????????1?????????27??,??????
??????????????,??????????,???????????????????????,????(???????)
????:??????????????????????????????