???????????????????ò??? ???????????????? ???????????????????Ч??????

??????“??”?????

?????°??????????????????????????15?????

????????????10??????????????????2?μ????

?????????????????????????2????????????????30???????

“??????????” ???Ч????????????????????????????????5.99

??????????????30.

???????????????????????????????????????

??????????????????????3??????????????????????30??????ɡ?

?ó??????????1??????=(???+???+?????Ч??)*5???????????

???飺50??????????????????????????

?????1??????????????1????????????????????????????

?????????????????2??,??????????30?????!!!!!

?????????10??????????????????????????????????????“??”??????????!

8?????????12718

??ú??13481

?ó??????????13481/12718-1=0.0599=5.99%

?????δ????????????12718

?????????21493???????????160%

?ó??????????21493/12718-1.6=0.0899=8.99%

???????????????? ?????????15%

??????????????????

?????7?????

?????6291

?????10065

?ó??????????10065/6291-1=0.599=59.9%

?????ó???????????

???????????????幥??????????5.99%

????????????????????????????????????????????????8.99%

??????????????????飬?????????????59.9%

???????????????????????????????

???????°????????????????????????????1???????????????7??????

????????????????? 2278

?????????????(?????????????????????????????)???2637

?????????????????2637

???????????2637

???????2637/2278-1=0.157=15.7%

????????????????????????????????????????????????

???????????

???????η?R???????????????

???????ο?59????????ù???

????????IOS????????

??????????????????????ù???

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