?????????
1.????????????????????????15???
2.????????????????????15???????????????縱??????С???????????????????0????????????????
3.??籦??????????????г?????????????????????????????10???
4.???????????????????????????1??3???????????????????????
5.???????????????籩?????10?????????+5???????????????????????????????????10??50?????
6.???????????????????????????????ζ?????10????????????????????
7.????·????????????????縱?????????????????????????????????????????????10?????
8.???????????????????15????????????????縱???κ?????????(??????鰈????15?????????????????????п???????????????????)
9.???o??У???????????????????????20???
??????????
1.????????????????縱????????С?????10???
2.??????????????????????????????18???
3.????????????????????????????30?????С?????????????μ????????????????????????y????????????????????????????????????
4.????????????6??????????????????????????50???????ù??????30??????????????????????????????????????????????????????????-10??5????+10??-20??10????+20??-30??15????+30??
????????縱??????????????????????????????????????????????????????????????????????Σ??????10????Ρ?