?? ???1.9????????????????
????:1????????:???????
2????50?????
3?800??????
4???????vx
5??????????
?1??13??????? (?? ?)??????????13???,?,??????????,???????
??????????????,??????????????????????,????,???????????????1.9??????????????,??????????????????????4.6%?
???????????????????????????????????????1???22????(?)?1????27???????????(????);??????????????2?2?????????????4???(?????)?2????????????13???15????(????)?
??,?(?????????)???8457.5?,????????????????3.8%,?,????????????????????,???????
?????????????,???????????,??????772????,??????????????????4.7%,??????????????,???????91????????????????,???31.9%??1534?,??0.4%?
???????,2025??(1??14????2??22?),??????????????????2.81?,?????????????702????,????2.62%?(??????????) ??????:????