Question

me ajudem por favor na questão 4! olhem a foto​

Answer 1

Resposta:

$\frac{3}{5}+\frac{2}{4}- \frac{1}{2}\\ \frac{3}{5}+ \frac{1}{2} \frac{1}{2}\\\frac{3}{5} + 0\\\frac{3}{5}\\\\\\\\\frac{1}{2} + \frac{3}{4} *\frac{2}{6}\\\frac{1}{2}+ \frac{3}{4} \frac{1}{3}\\\frac{1}{2}+ \frac{1}{4}\\\frac{3}{4}\\\\\\\\\frac{9}{2}- \frac{1}{5}* \frac{1}{2}\\\frac{9}{2}- \frac{1}{10} \\\frac{22}{5}$

Explicação passo-a-passo: