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

2??????

3?????500??

4??????????

5??????800?

6????16??,??«?????????»???????,?18????????????????????????,??????????????????????????(????)?????????,??????????? ????????? ?????????  6?????????16??????,????????????????????????«????»??????????,???18?,????????????????????????????(??????????????????????????)????????????????????????????????????,?????? ???????????????? ??  6?16?????????,????«??????????????????????????»?????,?????18??????,?????????????(?????)????,????????????????????????????????????????? ?? ????  6??????????????????????????16??????,?????«????»?????????,???18?,?????????????????????????(?????????)?????????????????,??????? ??? ?????????????????  ????:???