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