Question

Pfvr me ajudem , falta 15 minutos pra entregar

Answer 1

Resposta:

a=3+1/2-2-3/4 =1 -1/4=3/4

b=2/3+1/6=4/6+1/6=5/6

a/b= (3/4)/(5/6)

=(3/4)*(6/5)=18/20=9/10

Letra B

Answer 2

Resposta:

b) 9/10

Explicação passo a passo:

a = 3 1/2 - 2 3/4 = 7/2 - 11/4 = (14 - 11)/4 = 3/4

b = 2/3 + 1/6 = (4 + 1) /6 = 5/6

3/4: 5/6 = 3/4.6/5 = 18/20 = 9/10