?????????????????
??????????2????????????5?????????? (???????? ?)????????5?,?????????????,6??????8????????????????6?,??6????????????????????,????8?9???????????????,???10???????????;7??4???,??6?7?????????????,??10??????;7??????????8????????3??????5??????14????45??
????,6?8????????????????,???????,7??????8?-4???????-1???????,?-12?????6????????
??,???????????,?,?????,??,??????????????????????????????,???????????????,??,?????,????????,?????,?????????????,??,??????,?,???????????,???????(??) ???:?????????????????
??
???:????