?????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??

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

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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