Question

2+{5[(6-4:2)elevado a 2) - 15] elevado a 4) -3}elevado a 3

Answer 1

2+ {5[(6-4:2)²-15]4-3³
2+{5[6-2)²-15]4-27
2+{5[4²-15]4-27}
2+{5[16-15]4-27
2+{5.1}-27
2+5-27
7-27=-20