Question

Responda a expressão 15+{3+[(5-6)²×(9-8)²+1)}

Answer 1

15+{3+[(5-6)²×(9-8)²+1)}
15+{3+[(-1)²×(1)²+1)}
15+{3+[1×1+1)}
15+{3+2}
15 + 5 = RESPOSTA = 20