?? ?????:1???????????????????5?80%
????:1?????QQ?:??????
2?????????
3????????
4???????9?????
5??????????
????6????18??6???????????????????????,??3????????????,??????????????????????????????,?,7?????????????????????????4???????,31???(???????????????????????????)????????????????????????????????????????????1-5??????????????????????????,?17.5%,???????????????????50%;1-5?,????80%,????????,??,????????????????(????)
??:?????????