Предмет: Математика, автор: ghtandrey

[2x+0,2]=-4
помогите пж​

Ответы

Автор ответа: OlympicGames
1

Ответ:

-2.1≤x<-1.6

Пошаговое объяснение:

[2x+0,2]=-4

пилим:

-4≤2x+0,2<-3

-4-0.2≤2x<-3-0.2

-4.2≤2x<-3.2

-4.2/2≤x<-3.2/2

-2.1≤x<-1.6

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