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

??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??????,????????????????????,???????