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

2??????????

3?????

4???????

5???????50?

?????7?15???????? (?????????? ??)??15????????????,15??????????16???????????,??,??????,?????,????????????

??15?13?????????:?????15??????????????????????17????16??????20?????,???30?,??????????6??50?????,??????????????????????????????,?,???????

???15??????13????????????,??,??????????????,???????,???????????????????????????,?,???????,???????

?:????15?????17???????????????????????16?????????20??,????????????????????????????????????,?????

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