???нж?

????????ж??????е??????

??й???????ж????????2????????????ж????20?桱?桱??????еж??

ηж??????尲?2020???????????????11??ж???????????????????Ч???????????????????????У??????????????+?г?С??????

???????????й???ηж??????????????????????????????齨?

??????A?B?C???500?300?200??200??????д?????????

????????У??????????????????????δ????У?1???У?????ε???С??顱??????λ????????

?????У???衣δ??潫??????????????У??壬?У?????????衰????????棬??????????м????·???????????У??

???????й???δ????????????г??????????Ρ???ж?????Уá??硱??????? 飩