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

????:1??????????????:????VX????
2????????
3?????????
4??????????
5?????????
2?????????????21?????????????,?????????????,????????????????????????????????????????,???? ?????????????????????????? ?
2??21??????????????????????????,???????????????,???,???? ?????????????????????????? ??????????
2?21??,???????????????,????,??????? ?? ??
2?21?????????????,???????,???????????,???? ????????????? ?????
2??21?,????????????????????????????,?????,???????????????????????????????? ? ?????
2?21?????,???????????????,?????????????????,???? ????? ??
???:??????????????