?????2??????17???????????? ??,??????17???????

??10?????(2??7-16????????????),?????????,?????

??10?,??????????????,??1~2?,??????????????????????3?????????

?10??(2????17-26?????????????????),????????????????10~30??,??????????????40~80????,?????100???,??4~8????,???

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

????????????????10?????????,?????????????????,?????,??????,??????????????????????????1~2??

?:?????

17????,??,????????????????????????????????4~6???????????????????????????????????4~6???????7~8???????;???????????????????????7???8?????,????8???????9???

17-23?,??????,???????????

?11-14????????????????(2??????????27????3??2?),???????????????????????????????????????????5~15??????,??20???????;???

???????10????,???????,?????????????????40~80????,?100?????????????,?4~8?????????????17-23??,????????????????,??????????????????????????????

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

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??:???????????,??????????,??????????????