Question

7/9 - 5/6 - 2/3 + 1/2

Answer 1

Explicação passo-a-passo:

$\frac{7}{9} - \frac{5}{6} - \frac{2}{3} + \frac{1}{2} \\ \frac{14 - 15 - 12 + 9}{18} \\ \frac{ - 4}{18} \\ - \frac{4}{18} \\ - \frac{2}{9}$