Предмет: Математика, автор: gorzovandriana

математика №1263 6 клас

Приложения:

sofiastrat240111: Яка в тебе книжка?

gorzovandriana: О.С.Істер

sofiastrat240111: Хто автор?

gorzovandriana: О.С.Істер

Ответы

Автор ответа: oleynikaleksandra09

0

Ответ:

-28+8х+18х-30= -2х-30
2а-4в-14а-21в=-12а-25в
-2,1м+1,4+2-1м=-1,1м+3,1
21х-8,4у-8,1х+2,7у=12,9х5,7у

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