Предмет: Алгебра, автор: vovatrohov

-6n(5+2k)+2a(2k+5)-3c(5+2k)

Ответы

Автор ответа: z2027472

-30n-12nk+4ak+10a-15c-6ck

Автор ответа: СтепанЧуйкин1980

(5+2к)(-6п+2а-3с) ну как-то так

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