Question

1. Calcule as frações
a)4.2/10=
b)5.4/12=
c)1)3.9=
d)3.5/4=
e)9/2.10=
f)1/8.5=​

Answer 1

Resposta:

Explicação passo a passo:

1. Calcule as frações

a)4.2/10= 8/10 (:2)/(:2)= 4/5

b)5.4/12= 20/12 (:4)/(:4)= 5/3

c)1/3.9= 9/3= 3

d)3.5/4= 15/4

e)9/2.10= 90/2= 45

f)1/8.5 = 5/8