Question

Resolva.
a) 6\5 + 3\4 x 5\2 + 1\5=
b)√9\81=
c) 9\4 : 1\2=

ME AJUDEM PFV!!

Answer 1

Resposta:

a) 131/40

b) 1/27

c) 9/2

Explicação passo a passo:

a) 6/5 + 3/4 . 5/2 + 1/5

= 6/5 + 15/8 + 1/5

= 7/5 + 15/8

= 56/40 + 75/40

= 131/40

b) √9/81

= 3/81

= 1/27

c) 9/4 : 1/2

= 9/4 . 2

= 18/4

= 9/2