Tính giá trị
----- Nội dung ảnh -----
\[
b) \left( \frac{13}{25} - \frac{5}{7} \right) - \left( \frac{-14}{25} - \frac{11}{9} + \frac{2}{7} \right)
\]
\[
e) \frac{4}{7} \cdot \frac{2}{11} + \frac{4}{7} \cdot \frac{9}{11} + \frac{3}{7}
\]
\[
g) \left( -\frac{2}{3} + \frac{3}{13} \right) \cdot \frac{7}{8} + \left( -\frac{1}{3} + \frac{10}{13} \right) \cdot \frac{7}{8}
\]
\[
b) \left( \frac{13}{25} - \frac{5}{7} \right) - \left( \frac{-14}{25} - \frac{11}{9} + \frac{2}{7} \right)
\]
\[
e) \frac{4}{7} \cdot \frac{2}{11} + \frac{4}{7} \cdot \frac{9}{11} + \frac{3}{7}
\]
\[
g) \left( -\frac{2}{3} + \frac{3}{13} \right) \cdot \frac{7}{8} + \left( -\frac{1}{3} + \frac{10}{13} \right) \cdot \frac{7}{8}
\]