Respostas

2014-07-18T23:08:22-03:00
{3x[(8x2-2x2)-6]-5x(6-2-(20:10}-1=
{3x[16-4-6]-5x(6-2-(20:10}-1=
{3x[16-4-6]-5x(6-2-2-1=
{3x[16-4-6]-5x1=
3x6-5x1=
18-5=
13
Espero Ter Ajudado!
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