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

2????????

3??????

4??????

5???????

???????????????????2?7????????? (????????????? ?)??6?,???????????????????????????7??,?,?????,??3??????????5?,??????-4??

2????7??,??????????,??,????????? ???????

??????????,8????9?,??,?????,8????5?????????????,9??,?,?????????????-4?????-1??9?????????,???????

?,8??:?????????2????????5??????????,???????-2??2?,?????????5??????14??9?:????????0??????3?,?????????-4??-1?,3??13??

?,10?,???????????,??????,??????????????????????,????????,???????

??,?????,?????????,?;??????????????????????(?????)

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