Question

Determine o valor numérico da expressãomatemática:{+2 + [–3 – (–4 +5)] * (–1)} * [–3 + (–5 -3)]

Answer 1

{+2+[-3-(-4+5)]×(-1)} × [-3+(-5-3)]
{+2+[-3-(+1)]×(-1)} × [-3+(-8)]
{+2+[-3-1]×(-1)} × [-3-8]
{+2+[-4]×(-1)} × [-11]
{+2+4} × [-11]
{6} × [-11]
-66