Question

calcule:a)4/5.3/2-1/4:3​

Answer 1

Resposta:

67/60

Explicação passo-a-passo:

a)

= 4/5.3/2 -1/4:3​

= 4/2 . 3/5 - 1/4 . 1/3

= 2 . 3/5 - 1/12

= 6/5 - 1/12

12,5: 2

6,5: 2

3,5: 3

1,5:5

1,1

=2.2.3.5 = 4.15= 60

= (12.6 - 5.1)/60

= (72-5)/60

= 67/60

Resposta:

67/60