????:1????????100?:?????????

2?????300??500??

3???????????

4???92?95?

5?????????vx

????????1????????????31??????? 1??????31????????????,?????????????,?????,??,??,?????????????

???????????????1?29???,????????????????????,????????,????

????????????????????????????????,???????????????????????,???????

?,?????,??????????????????????,?????,?????????2??

??????????????????????,????????,?,???????????(?) ??????????????:???