Предмет: Математика, автор: 1562837

Пожалуйста помогите срочно

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Ответы

Автор ответа: tsur0
1

Ответ:

6) x ∈ {-45, -44,..., 42}

7) x ∈ {4,98 ; -0,64}

Пошаговое объяснение:

б) |x - 2,17| = 6,9 - 4,09

|x-2,17| = 2,81

Раскрываем, получается:

x -2,17 = 2,81 => x = 4,98

или

2,17-x = 2,81 => x = -0,64

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