?? ???????? ???????2.2???????
????:1???????:????????
2???????
3??????????
4???????????
5????????
??1???7????????? (???????????????? ???????????????????? ???)?7??????????????,?6.8??,???????????????????????????????????????????2.2?????
??,1??????????????????????7?9?????????????5???,????????????????(????????????28.50??,???????????87.45????????????)????6.8??,??10????????????????,?????????????????????
???????????????????????????,?????????????????????,??????????,???????????????
???????????????1500???
??????????,?????????????????????,??????????????2.2?,????,?????????(??) ????????????:??????????