?? ?????????? ??????????
????:1?????qt?????:??????
2?????????????
3???????
4?????
5???????100?????
????????????1??27????????,???????1?????????????28??????????????????????(????)?2??????4????(????)??,???????????????????????????????8??
?????,?1???????2?????????????????4???5??????????????????6????????????,????????????????????3????,?2??
?????????????,??????????????,??,????????????????,??????,????,?????
??,?,??????????????????????????,???????(?? ?)
??:????