Question

ajudaaaaa porfavoooooor='3​

Answer 1

Resposta:

Explicação passo-a-passo:

a.

5/3-7/3=-2/3

b.

-4/5-1/5+2/5=

-5/5+2/5=

-3/5

c.

1/6-3/6-7/6=

-2/6-7/6=

-9/6

d.

-3/4+1/4-7/4=

-2/4-7/4=

-9/4