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??????2????????????????????????(2)

??????????? ???????????2?? ???????2014-11-13 16:16

????:6678

????:6475

????:5382

???:5059

???:4978

???:4411

????:4046

????:3034

??????????? 5000 (??????????????δ????)

???????????????????????!

???????65%

?軒????????300(???????????????????????)←_←

???????????n(??????)

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

????????:300×1.33=399≈400

???:400×0.35+800(??)×0.65=660

????????(?????·???Ч??):

200×0.67×n=134n

???:5000

??????????????·???

????????:

300×0.35+600×1.52×0.65=697.8

????????:200n

???:5000×1.4=7000

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

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