Question

complete as igualdades de modo a obter proporcoes

a)2/5=
b)7/9=
c)1/5=
d)3/10=

Answer 1

Complete as igualdades de modo a obter proporcoes

a)2/5=

2/5 =4/10

b)7/9=

7/9 = 14/81

c)1/5=

1/5 = 2/10

d)3/10=

3/10 = 6/20