Вправи 1001 - 1100 » 1010
Виконайте дії: 1) 3 ∙ (49 – 62) = 3 ∙ (–13) = –39; 2) –7 + 21 ∙ (–6) = –7 + (–126) = –133; 3) –2,7 ∙ (–1,2) + 3,5 ∙ (–2,8) = 3,24 + (–9,8) = –6,56; 4) (–9,3 – 1,7) ∙ (2,6 + (–5,9)) = –11 ∙ (–3,3) = 36,3.
Виконайте дії: 1) 3 ∙ (49 – 62) = 3 ∙ (–13) = –39; 2) –7 + 21 ∙ (–6) = –7 + (–126) = –133; 3) –2,7 ∙ (–1,2) + 3,5 ∙ (–2,8) = 3,24 + (–9,8) = –6,56; 4) (–9,3 – 1,7) ∙ (2,6 + (–5,9)) = –11 ∙ (–3,3) = 36,3.