??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
??????????|???????40???? ????????
??????????|???????40???? ????????
??
????:
1???????:????
2???????
3???100???
4???????50?
5???????
????
6
%
???:??