Question

De acordo com as propriedades operatórias, efetue:

a) (+5) ∙ (+ 3) =

b) (+ 15) ÷ (−4 + 1) =

c) (+ 4) ∙ (– 5) =

d) (+ 20) ÷ (– 3 − 2) =

e) (– 8) ∙ (+ 4) =

f) (– 35) ÷ (+ 7) =

g) (– 6) ∙ (– 7) =​

Answer 1

Olá!!!

a) (+5) ∙ (+ 3) =15

b) (+ 15) ÷ (−4 + 1) =

=(+15):(−3)=  

=−5

c)(+ 4) ∙ (– 5) = −20

d) (+ 20) ÷ (– 3 − 2) =

  =(+20):(−5)=  

   =−4

e) (– 8) ∙ (+ 4) = −32

f) (– 35) ÷ (+ 7) =  −5

g) (– 6) ∙ (– 7) =​ +42

espero ter te ajudado!!!!!