?? ?????? ??????????5.4?
????:1??????????:????
2???90???????
3???????
4?????
5?????QQ?
??11?22????? ?,?22?????????,?5.4??,?“??????????”?
???????????????????,???22??????????18???????????45????????20??????????22??20?????????????40?????????20?????43???????????21?????29??,??????20????40?????5.4???,??23.2?????????????????120.18??????????????????,?????????23.2????,???????7.7?????
?????,???,?????,?,?“??????????????”????????,??????
?,??????????“?”,??“????”?
?,22??20????????????40?????4.7???(??) ???????????:???