Question

Calcule as frações

a)3/8-1/4

b)3/15+5/10

c)5/9-1/3

d)6/7-1/21

e)3/10+7/20

f)5/3+3/4-1/2​

Answer 1

Resposta:

a) 1/8

b) 7/10

c) 2/9

d) 17/21

e) 13/20

f) 23/12

Explicação passo a passo: