?? ???500????????? ????????????????
![](https://image.chezhanri.com/2019/0808/20190808184337910.jpeg)
????:1????????:?????????
2???????
3???????
4??????200??????
5??????????
??8???????????????19???(????????)???????????«???»?????????????????,???11??????????26????????????????????30?????????????18??,??100?,??????????????????500???????????????,???
????????????,?????????30%????,??????????500?????60%,?????????????????,????
?????,????60??,??????????????
?????:???????,???????????????????????????????,????????100?????
??,?,??????????????????? ????:????????