?? ????????????3????????????? ???
????:1???????:???????????
2?????????
3???????
4?????
5????????????
??????????1???4???? (??? ???)????4?,??,????????????????????????????3????????????????,???????????????
?,????????????????????????4??10??30??,?????????????????????????????????????????????????22?,??????????3??????????????????????????????????19???,????????????,???
?,?????,??????????,???????????
???????????,????????????????,??(??) ??????????????????:????