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

2???????

3????????

4??????????

5????????

?????????????2??????8????????????????????????? (????????? ?)??????????????8?????????????????,????????????????????2??(???:??????????????)????????????,??

???????

????????????????11???50?????,????????2??????(??:?)???,????,?????????????

??????????????,???10?????30??????????????????3??????,??????,?????,????????????????????????

???,?50??,????????????????????????????????????????????????25?????????????????????,???

????????,?,??,?????????19?????30????(???)

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