Question

ALGUEM ME AJUDAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

Answer 1

Resposta:

D) 18/25

Explicação: conta em anexo

Answer 2

Resposta:

D) $\frac{18}{25}$

13/10 - 2/5 : 5/4

=> 13/10 - 4/10 :5/4

=> 9/10 :5/4

=> 9/10 * 4/5

=> 36/50

= 18/25

Explicação passo-a-passo: