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

2????????

3?????150????

4?????200?????

5???????????

?????1????????????????25????? (?????????? ??)?????,??????????25????,???1??23??2.13???,????1.13?????????????,???203??????,??

????????????????????,???18.5??????????,??????????38%?????????????,??,??60%,???40%?????????,??????????30%????????????????????????????????????????,??66%?

???,??????????

“???????15.8??????,?????????????1??28?????????????31??????????????????,2??2?4??”????(????) ???:????