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??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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