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

?????????????????,?????????600??????????,???????7????????6000??,???????б????????,??????

???????????????????3:4??,СС?????????,????,???????????,?????????????????????????,????????,??2,????????????????????,??????????????

?????:??·???????

?????,10?????????????,???????????????,??????????????,????????????,?????????????,???????????

??????:????

?????10??2???????????????????????10??????????????????????,??????????,??????????????

10??????,????????????4???,??????3???,??????????,1???1.2,??????1??????????0.2

???10??????2???4*1.4*10=56,??????,??????????????4*10??,?????2????????????????,???3????????в??,??????????????,1000????????10??????2???8??????

????,??????????,???????????????????,??????,??2000,???????????.??????????????4??????????????????????????λ??

??????????:3??3?+1??2?+5??4?+1??5?,???????,????????600????????????,??????????????е?С???,????????????,?????,????????????????,??????5?????????,?????????????????,??????7??????,???????

??????????4*1.6*3+4*1.4+3*1.8*5+3*2=57.8 (8??8???????)

????????,????5?????????,?????e????佫

?????????:4??2?+2??3?+3??5?+1??4?,?????????????????,??????????,??????????????ε?λ,???ü??????????3??,??????????????????????????????????,???2?????????????????

?????4*1.4*4+4*1.6*2+3*2*3+3*1.8=58.6 (9??3???????)

?????????????佫????????????,???????????????????Щ,???????6??4??????,????2????????????????????????????????????????????????????????????,???????2?????2~3??????????????????????

??????:??????????

??????????,????????,?????????????,1???????4*1.2=4.8,??3???????3*1.6=4.8,????????????????????,???????,1??3?????600???????????60?????,1?????100????,??????,???????????????????????????,????????????,??????????????5????????,?????????

????????????:δ?,?????????????????????,????????????????,?????м???4~5???,??????1??????,????????,?????4??2~5??????????????

??????:?????￥?????????????????,????????????

??????2??￥??,???????10??????????,???10??2?????,?????????????????,???????,?????????￥?????????????,??????????￥??????10?????,??????????????????,????????????????,????t?????????????10???????,??????3~4??????????,2?????????2?????????????

????￥????????,?????????????,???????????????,??????afk??????...?????,????????覴?

??????????:?????????????????????,???????????????,???????????,???ò????????,?????????????,??????????????,

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????????????2?????,??r????????,???л?????????????,???????????????????????,????￥????????????????

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