Tính giá trị biểu thức

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$$\begin{array}{|c|c|} \hline \text{a)} & -\left(-\frac{2}{5} - \frac{3}{4}\right) - \left(-\frac{4}{5}\right) \\ \hline \text{b)} & 2 + 4 \cdot \left(-\frac{2}{3} - \frac{1}{6}\right) (-2, 25) \\ \hline \text{c)} & \left(\frac{3}{5} - \frac{1}{3}\right) \cdot 6 + \left(-\frac{1}{3}\right) \cdot 5 \\ \hline \text{d)} & \left(-\frac{1}{2}\right)^{2} - \frac{5}{8} \cdot (0,5)^{3} - \frac{5}{3} - (-6) \\ \hline \text{e)} & \left(\frac{5}{2} - \frac{4}{3}\right) \cdot \frac{6}{7} + \left(-\frac{3}{2}\right) \cdot \left(-\frac{5}{2}\right)^{3} \\ \hline \text{f)} & -\frac{7}{6} - \frac{1}{3} - \frac{2}{5} \\ \hline \text{h)} & \sqrt{11+13+25} \\ \hline 12, & \sqrt{0,64} - \sqrt{\frac{1}{4}} \\ \hline \end{array}$$