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

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

3????????

4?????vx

5???31???

???????11?????25?????????????? ??????????(?“?????”)25???,?????????10?????,???????????????????????????????,??,?????????????????????,???????????????????????????????

???,??“?”“??????????”“??”?????,??????????,??????????????????????

??,????????????????????????????????????10????????????93.12?,??????????????94.87??1.75????????,??????????????????,????????????,????????????????,????,???????????????????????,???,?????????????,?????????

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

???????,10?????9?????????????????????0.83???????,??????????????????????????????,?????,??,??????????????10??,??????????????

??????,10??????,????????????????????,??????????????,???????????????,10?????????????????????,??,????????????(???????????????) ??????:??????????