????:1???????????:??????

2???????

3?????

4??????????

5??????????

??????????????9???????6?????????? ????,?9?????????????????6????????????6??

??????9?????6????8??????????7??8?????????,???????????????????????????????8??,????????????,???????????????10?,???11??,?;????????????????????20??,???????????????????????,?????????????????????????????80??,???????100???????????

??:? ????????????????:? ???????????:???