Предмет: Математика, автор: Palencova12345

Прошу помогите! если можно то с решением

Приложения:

Ответы

Автор ответа: AskVest

Ответ:

Пошаговое объяснение:

№3

-8,4 - (-11) = 2,6

-8,4 - 5,7 = -14,1

В первом случае минус на минус дает плюс, во втором просто складываем.

№4

(-6,4+5,7)-(-1,8+4,7) (Вычисляем то что в скобках)

(-0,7) - 2,0 (раскрываем скобки)

-0,7-2,9= -3,6

Ответ -3,6

Palencova12345: Спасибо большое

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