????:1?????:??????vx

2?51?????

3?????????

4?????????

5?????????

2?????????????????????????14?????????????????????????,?????,????????«??»(?«????»)???????????????,?????????????????,??,?????????????????????????????508.19??????????????,??24.66?????,??(????50??????????????100????????????)148???????

«?»?,??,??????,??????????????????,???????,???(?????????????????? ??????????????????)

??:??????????