??1???16???? ??,????????,?8????8????,??????????????6~8?,?????,????????????????????????????10???;??????????????????????????????????????????????????4~6????????????,???????????,??,?2~4?,????????6??????,???????????????,??????,???

??????????

???,???????,??????????????5~6?????????7~8??;?????????????????????????7~8???????????9??????????,???????9???10?????

?????????? ??:??? ??“????230??”

?? ????????????????????

????:1?????230??:???????

2???????

3???????

4???????vx??

5????????98?

??1???16???? ??,????????,?8????8????,??????????????6~8?,?????,????????????????????????????10???;??????????????????????????????????????????????????4~6????????????,???????????,??,?2~4?,????????6??????,???????????????,??????,???

??????????

???,???????,??????????????5~6?????????7~8??;?????????????????????????7~8???????????9??????????,???????9???10?????

?????????? ??:???