????:1???????500?4???:?????

2?????????

3??????

4???????

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

??,????,?????????????,??5.5?????????????????,?????????,???,???????

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

??????,??,????,????9.28???,??????????????????????5.5????,???8.8???????????

(????? ??????????????? ????????? ?? ?? ?? ?????????)

????:??????