?? ???????:?????? ????
????:1??????:??????????
2?????
3?????????
4??????
5???????????
?????????????8?????????????6???????????????? (? ???)?????????????,?????4??????????????8???5?,??????????,?????
???????????????????????14?????????????????20?????????30??????,?????4??,??????,???????????????
??????????????? ??? ?????????????????????,???,??,?????;?????????????????????
???????????????,???????,????????????,?,??????,????,???????????????????,???
??:?,??????????????????????,??(??????????????????)
?????????:?????????