?? ????? ?????????????????
????:1??????????:400????????
2???????wx
3??????
4??????200????
5???????????
?????????????????????9???????22?(? ??)?????????????????,22????16???????????????30???????????,?17??????30????????????????????
??,??????????????24?,????????????100???,???????????????????????????50???,???
????????????????????????????????????????????????????11???,???
9??????????????22??,??,????????????? ???????????? ?????????????????????22??????????16????:?,22??????????????????????20??23??????20???????,??????????????????????????????????????,??,?????????????????????????(?????)
??:???