?? ? ???????2??????????????????
????:1???????:????98?
2??????95????
3????????98?
4?????????
5???????????
??????????(ABC)?,????1???????30???????,????????????????
???????????????1?????29??????,???????64?????,??3????????“??”??????????????????30???,??????????????1?????????????????????????30??,??,?????
(??? ?? ???????? ???)
???????:???