Question

calcular 0,54 + 2/3 × 1/4 + 7/3 ÷ 14/2 - 2/5

Answer 1

Resposta:

16/25

Explicação passo-a-passo:

= 0,54 + 2/3 × 1/4 + 7/3 ÷ 14/2 - 2/5

= 54/100(:2)/(:2) + 2/12(:2)/(:2) + 7/3 : 7 - 2/5

= 27/50 + 1/6 + 7/3 . 1/7 - 2/5

= 27/50 + 1/6 + 7/7 . 1/3 - 2/5

= 27/50 + 1/6 + 1/3 - 2/5

= (3.27 + 25 + 50 - 30.2)/150

= (81 + 75 - 60)/150

=(81+15)/150

= 96/150 (:2)/(:2)

= 48/75 (:3)/(:3)

= 16/25

-------------------

50,6,3,5: 2

25,3,3, 5: 3

25,1,1, 5: 5

5,1,1,1: 5

1,1,1,1

= 2.3.5.5

= 6.25

= 150