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

2???????vx

3?????qt

4???????

5????????

???11???????????23?????? ????:??22????????????????,???????????1????5??????????????????????????????(???????)?????,4???

??????????,???22??????????????????????????,?????5?????????????,????????????????????22??,???????21????????????????62??????,111?????

???,22?????????????????????????????,?????????????????,???????

?????????,??22??????????80??????????,??????????????????????,????????

«???»???????????,???23?????,?????????4???,???????????,??4?????????,23?????????????(????) ?????:?????????????????