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

1?20?????,??????????,?25%????,??????????2?1???

1?????????????30???????????,?,?2????1?25%?,?????1???30??(?? ?? ?????????????????????)

??:????? ??“????????V”

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

????:1?????????V:????95???

2?????300?

3????????

4?????153

5???????

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

1?20?????,??????????,?25%????,??????????2?1???

1?????????????30???????????,?,?2????1?25%?,?????1???30??(?? ?? ?????????????????????)

??:?????