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