Question

Efetue as operações:
a) (+2/3) . (−1/5) =

b) (−5/3) . (+6/7) =

c) (− 0,3) . (−3/4) =

d) (5/3) . (−2/7) . (+1/2)

e) (+2/5) ∶ (−3/4) =

f) (−9/4) ∶ (−6/2)

g) (−2,7) ∶ (+5/4) =

h) (+5/6) ∶ (−2) =

Answer 1

Resposta:

divisao de fração inverte a segunda fração e faz se multiplicação