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

??????????1?????????飬????????????!?????????????????????

??????????5??????(????????????)

??????????????0-1000?????(???????????1.????????????????)

?????????????100?Σ??????????????????????31?Σ????6200?ι?????

???????0 ??????????620?? ????????0?? ?????0%

???????200 ??????????620?? ????????21?? ?????3.39%

???????400 ???????? ??1240?? ????????75?? ?????6.05%

???????600 ??????????1240?? ????????110?? ?????8.87%

???????800 ??????????1240?? ????????141?? ?????11.37%

???????1000 ??????????1240?? ????????183?? ????? 14.76%

?????????0-1000?????????????????????????????????????????????????????????100?????1.5%??????

???????????????????????純???????Y=0.015%X(????Y????????X????????)??????????????????????????????????

????2:1000-2200 ?????????????120?? ???????????7440??!

???????1200 ?????????????2480?? ????????428?? ?????17.26%

???????1400 ?????????????2480?? ????????488?? ?????19.68%

???????1600 ?????????????2480?? ????????533?? ?????21.49%

???????1800 ?????????????2480?? ????????580?? ?????23.39%

???????2000 ?????????????2480?? ????????613?? ?????24.72%

???????2200 ?????????????2480?? ????????652?? ?????26.29%

??????????????????????????????????????????????????????????п????????A???С????????(?N????????輼У??????!??????????? )?????????и?????????????????????????y=-25*(10??-9?η?)*X???+175*(10??-6?η?)X??????Y????????X????????

??????1000-2200???????Χ?????????????????????????

???????2200-4000 ??????????? ???????????????????????

???3???儷?????????????????????????????СR?R ?????????輼У?????????????????????????????!

??3????2200-4000 ?????????????180?? ???????????11160??

???????2400 ?????????????1240?? ????????????340?? ?????27.42%

???????2600 ?????????????1240?? ????????????353?? ?????28.47%

???????2800 ?????????????1240?? ????????????362?? ?????29.19%

???????3000 ?????????????1240?? ????????????375?? ?????30.24%

???????3200 ?????????????1240?? ????????????380?? ?????30.65%

???????3400 ?????????????1240?? ????????????386?? ?????31.13%

???????3600 ?????????????1240?? ????????????390?? ?????31.45%

???????3800 ?????????????1240?? ????????????389?? ?????31.37%(???????????????????)

???????4000 ?????????????1240?? ????????????404?? ?????32.58%

????????????????????????????????????????????????????????????????????????幫?????????￡?Y=0.4-300/X??????X??????????Y???????? ?????????????????????????У??????????????????????????????????????????????????????????????????

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