?? ??????????????? ????????
????:1??????95?:??????
2?????????vx
3??????
4???????
5???????
? ????????????????????? ???? ??
????
??????? ????????
???? 1/79???????????????26???????????,????????????????,???????????????????????????????????????????????,??????????????????????,??,?????????4???????????????,????????????????????,??,??,?????????(?)
???:??
??? ????