Rút gọn các biểu thức

----- Nội dung ảnh -----
Bài tập Toán:

a) $-\left( \frac{-2}{5} - \frac{3}{4} \right) \cdot \left( \frac{-4}{5} \right)$

b) $2 + 4 \cdot \left( \frac{2}{3} - \frac{1}{6} \right) = (-2, 25)$

c) $\left( \frac{3}{5} - \frac{1}{3} \right) \cdot 6 + \left( -\frac{1}{3} \right) \cdot 5$

d) $\left( -\frac{1}{2} \right)^2 - \frac{5}{8} \cdot (0,5)^3 - \frac{5}{3} \cdot (-6)$

e) $\left( \frac{5}{2} - \frac{4}{3} \right) \cdot \frac{6}{7} + \left( -\frac{3}{2} \div (-\frac{3}{2}) \right)^3$

f) $7 - \frac{1}{6} - \frac{1}{5}$

g) $\frac{2}{5} \cdot \left( -\frac{1}{2} \right)^2 + \frac{7}{10} c$

h) $\sqrt{1 + 11 + 13 + 25}$

$$12 \cdot \sqrt{0.64} - \frac{1}{\sqrt{4}}$$