????:1??????:?????

2????????????

3???9???????

4???????

5???????

???11??23? ??????,??????11??23??????????27??????????,?????,?,????6~10?,?????????????????????12~14?,??16??????????????????????????28????,???0???????????????,????????7??????????????????,???????????????????????,??????????????????,??????????????,?????

?????????,????,??????????????????????????????????????????????????????????6~10?,????????????,?????12?????????5~6??????????????????7~8????????,??7~8??????????9~11?????????

??,???????23?????27??????????????,???????????????????????????,??,????,??????????????????????

??,???,????????,?????????,?1~2?,??,??;??????,??????????????????,???????,????????????;??????????????????,?????????????????,????????????

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