Question

Podem me responder essa 4 questão?

a) (2/5 – 1/2) x (1/5 – 1/4) =





b) (–2/3) ÷ (–10/9) =





C)–4 x (– 1/2)² – (–1/3) =





D) √9/16–1/2 =





.

Answer 1

1.32

1324,1

24252=2

23.1= 23

Espero ter ajudado <3