??о????????Ч????????????в???

??????????? ?????????????????32.4% ?????????????????!!!

??????????Ч?? ????ε???????????α??????????????? ????????????!!!

2125×0.324=688.5 ???Ч??808????688.5

2469×0.324=799.9 ???Ч??811????799.9

(??????6?????羧????????Ч??)

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???????????5??????????????????

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