????:1???????:????200??vx????

2???????????

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

4???8????

5???????

?????????????????????1??????????????????2??????????? ??????????????,1???????????????1???????????,???????,??????????????????????,?????????????????????????????,????????????????????????????40???

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

?,???,?????????????,????????,????,?,????????????????????????????????? ???????:???????????