Resposta:
Explicação passo-a-passo:
E) (-2/5×4):(-4×) =
-2/5 * 4 = -8/5
-8/5 : -4 = -8/5 * -1/4 = 8/20 = 2/5
F) (1/3×4):(2×2)
1/3 * 4 = 4/3
4/3 : 4 = 4/3 * 1/4 = 4/12 = 1/3