Question

resolva expressão 3/4+(-2+7/5)-(1/2+1,5)-0,9

Answer 1

$\frac{3}{4} + ( - 2 + \frac{7}{5} ) - ( \frac{1}{2} +1.5) - 0.9 \\ \\ \frac{3}{4} + ( - \frac{3}{5} ) - ( \frac{1}{2} + \frac{3}{2} ) - \frac{9}{10} \\ \\ \frac{3}{4} - \frac{3}{5} - 2 - \frac{9}{10} \\ \\ - \frac{11}{4}$