?? ?6??????????????12?
????:1???????100?????:?????????????
2?c????????
3?????90????????
4?????95????
5??????????
?????:??27??,?????,?6?12???????
???:?????????????????????????????????:??27??,?????,?6?12???????
???:????????????????????????????????:1???????100?????:?????????????
2?c????????
3?????90????????
4?????95????
5??????????
?????:??27??,?????,?6?12???????
???:????????????????????????????