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

2???????????200?

3????????vx

4??????????

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

?6?9? (????????? ???????????)??????????????9???????????????????,6?8?,?25?????????????????????????6????????????9??8?30????????????,24?,?????????????????????1??45???????????,????????

6??8???,?????????????????????,?25??????????????????????????

???????,6???????8??????17?????????????????????????36????,????????????????????????????,?25????,???,????????????????????????????????????????????

?,????????????????????????????6?9??8?30????????????????,24?,???????????????????????????????????????1?????????????????45???????????????????,???????????

6????????????8?????,???????????????,????25????????????

??????????????????,?25??,???????????????,??????????????????????????????????,??

??????????????6??9???12???????????????8??,?????????????????24?,23?,1??,??(???????)

???:???????