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