????:1?95??,?98???????:??????????

2???????

3??????????

4????????400??

5?????300??

??????????????:???????????,13.66????????????,?????,?????????,?????????????????

??,?????????????????????,???,??????80?????????

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

???????????7.9???

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

??????,15????????????,????600???,????

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

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

??????:????????+??????? ???????????

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

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

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

???????,??????????????????????2000?????,????????????2500?????????,????4000?????

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