????????????"小7????"APP???????~
????????????????????????????????????????????????????????
???????(????+????-???????)X0.4X????????X????X?????
???蟹???10????=5%???
?缂�??????? ?????=(??榧�??-?????榧�??-2)X2%+100%
?缂�??小???? ?????=100%-(?????榧�??-?????榧�??-2)X2%
?绮�????????X100% ????????1.5+??????
??????????????????????????
(????+????-???????)X0.1 3???????????????????????????1.5?????
??????????????效???????????????????????????????????????????
????????????????????????????????????????40407???????40407????????
