???????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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