????:1?????????????:????????????

2???????????

3????????

4???????

5??????

????? 1??7???9??????5?,??????6.8???????????,????10???,????????????????????????????????10??(1??????9?????????????18???????),??????,??,???????????????????,12?????14????,???????????,?????????????????????????????

??,??????????????????,??8????,?????????????,???1???????????3?,???

????????????????,??????????????,??7????8?;??????????7?,????-13??-16??

12???????14???????????,?1???????,????4?8?,?????10??13??-1???,14???-18???????????

????????????????12?????????14????????

????????????,???,??????,?,??,?;??

(?)

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