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

2???100???

3????????????

4?????

5??????150???

???????

????????9??????????????????25? (????????????????????? ????????????)??????????????25?????????????????,?30?????????????,?????3??,???????????????????????????

???? (???)

???????????????????????????????50???,?????????????????????????????????????6??????????8????????????????,«????»?????,??????????????????????8??????25?,??????????,15???

???????????????????????????,???????????????????????????????????,??27?,?54?????????9?23??,????????55.2??,??32.79%?(?????)

???:?????