?? ??????????????19.72???
????:1?????:???????????
2????????????
3???????????
4???????????
5??????
??2???????????????5?????????????? (?? ??)???8???????????????????????????5??????????,?????,?????????????????????,??1512??,?????????19.72?????????????????,??1436??,??????????18.98???????????,2??????????????????????????????3??????????????,???????2.65??,????????????????
??????????????,????????????,??????????????????????????????????????????????????????,???,???????????????????????????????,??????,??,????
???,????????????????????,??????,?????????????,?,????,100%???????,????????????????????(???????????????????) ???????:?????