??50

???????Σ????????????????磬????????2017??С???????????????????

????????????????????????????50?湲50????????????????????????

?? ?ο????

????????????????2016????????У??????????д??ì?

??λ???????????????7???4???????35??5??λ18?360??顣

н?淴?????????????????????????????????????????????????????Ул???????е?????????

??εУ????????????е?ì?????50????·???????

? ?????

?е?????????????С?оε???γ?50

???50?ν?ú?м?????????????′??塢????????8???????????????

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

????о?????????滮?????????????γ?淶Ч?????????????????????????????????

?? ??

λ??50??????????????????????硯?????????

???????ABCD???A?ен???100??600??D???10??

?????????????鱦??????????????????????10??????λ??????????3?2??

???????硱??9???2800???Ρ?50???硱??????У??????Σ?????????????3?2.5?1.5?????????й10??

??????棬??????1050?????????顣

??1? ??

?50?????????????????塱?????1??????н??????????

???????????м??????????????????и?????涨????????????????????

?50??????λ??鱦??????????????γ????50?????5???????

????????????????鱦?????5?10??Ч?

??50???γ??Ч??Ч??Ч?Ч?????????