Question

-9/2 +
[-1-(5/8+1/4)​

Answer 1

-9/2+[-1-(5/8+1/4)] em parentes faz mmc (8,4=8)

-9/2+[-1-6/8] em clochetes faz mmc (1,8=8)

-9/2+[-7/8] (+ com - = -)

-9/2-7/8 mmc (2,8=8)

-16/8 :2

-8/4 :2

-4/2 :2

-2/1

=2