??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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