?????????????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??,??????????????,????

????????:??

??

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