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

?????????????????100?????7850????????????????????й??????????????????????Щ??

1~10???????50???????5??;

11~20???????100?????10??;

20~40???????600?????30??;

40~80???????2000???????50??;

80~100??????????2000???????100??;

80?????????????2?

???????4750????(?????д?R??????????3715?????????????????)

????裺??1500??;

??????2??????1600????

????????

??????24С?????1440????;

???????5???????40??????????????180???;

?????15???????5??????????????4320???;

??????????????????????24С???????75??????????4500????

????????????????100???????????????????26-27?Σ??????5500??????????10000?????????7850???1.3??????????????

????????????С?????λ????????120????????????;????R???????????????????????

>>?????????????

40407?????????????

 PS?????????????????????????????????????????????????????????