?? ?????:?????? ??????
????:1???????:???????????
2???????????
3?????????????
4?51??app????
5??????????
??????????????11??????????????28????? (?? ??????????)??????????28???????,?????????????????????????????,????????????,??????????,??????????????
??????????,???????20?,???,????????????????????????,??????????,?????????
???,11??????????20??????????,?,??????????????,??????????,??????????;?,????;??,???????????????????????????????,??????????????,??????????,?????????????(???)
???????????????????????????:??????