Question

C) (+ 4) ∙ (– 5) = D) (– 8) ∙ (+ 4) = E) (– 6) ∙ (– 7) = F) (– 2) ∙ (+4) ∙ (+3) ∙ (– 1) = G) (+ 51) ÷ (– 2 − 1) H) (− 3). (−15): (−1 − 2)


obs: precisa fazer os cálculos..​

Answer 1

Resposta: espero ter ajudado :)

C) (+ 4) ∙ (– 5) = -20)

D) (– 8) ∙ (+ 4) = -32)

E) (– 6) ∙ (– 7) = -42)

F) (– 2) ∙ (+4) ∙ (+3) ∙ (– 1) =24

G) (+ 51) ÷ (– 2 − 1) = 26,5

H) (− 3). (−15): (−1 − 2) = -47