Mckenzie Lane

12/11/2023 · escuela secundaria

2. Resolver trabajando con fracciones: \[ \begin{array}{l}\left(\frac{2}{5}+\frac{3}{10}\right) \cdot \frac{5}{14}-\frac{3}{4}= \\ -\frac{1}{9}:\left(\frac{2}{3}+\frac{1}{6}\right)+\left(-1+\frac{3}{5}\right)= \\ {\left[\left(-\frac{5}{6}\right): \frac{3}{4}+1\right] \cdot \frac{9}{8}=} \\ -\frac{7}{2}: \frac{5}{3}-\frac{3}{5}:\left(-\frac{3}{4}\right)+\frac{3}{10}=\end{array} \]