Question

preciso de ajuda

(+8) ∙ (−9) = __________
b) (−6) ∙ (−5) = __________
c) (−20) ∙ (+17) = __________
d) (+7) ∙ (+4) = __________

e) (+9) ÷ (−9) = __________
f) (−48) ÷ (+12) = __________
g) (−1161) ÷ (−27) = __________
h) (+72) ÷ (+36) = __________

Answer 1

Resposta:

a) -72

b) 30

c) -340

d) 28

e) -1

f) -4

g) 43

h) 2

Explicação passo-a-passo: