Question

7. Resolva as expressões a seguir.
A.2/5+1/2:6/5=
B.(3/4-1/2)×2/7=
C.3×(1-1/5)=
D.2/9:(1+1/2)²=
E.(7/8-3/4)²×1/2=
F.3 1/2:5 2/5+7=​

Answer 1

Resposta:

a) 49/60

b)1/14

c)3/2

d)8/81

e)1/128