Question

[28-3elevado a 4:9+(32:2-6)]-18

Answer 1

[28-3^4:9+(32:2-6)]-18

=[28-81:9+(32:2-6)]-18
=[28-81:9+(16-6)]-18
=[28-81:9+10]-18
=[28-9+10]-18
=[19+10]-18
=29-18
=11

RESULTADO FINAL: 11