Question

-2/5 : [-3 (-1/4 + 1/2)]

Answer 1

Resposta:

8/15

Explicação passo-a-passo:

-2/5:[-3.(-1/4+1/2)]=

-2/5:[-3.(1/4)=

-2/5:-3/4=-2/5x-4/3=8/15

Answer 2

Resposta:

8/15

Explicação passo a passo:

-2/5 : [-3 (-1/4 + 1/2)]

-2/5 : [-3 (-1/4 + 2/4)]

-2/5 : [-3 (-1+2)/4]

-2/5 : [-3 . 1/4]

-2/5 : [-3/4]

-2/5 . [-4/3]

[-2 . (-4)] / [5 . 3]

8/15

ou

-2/5 : [-3 (-1/4 + 1/2)]

-2/5 : [3/4 + (-3)/2]

-2/5 : [3/4 - 3/2]

-2/5 : [3/4 - 6/4]

-2/5 : [(3 - 6)/4]

-2/5 : [-3/4]

-2/5 . [-4/3]

[-2 . (-4)] / [5 . 3]

8/15