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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??,??

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

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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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