Bloque 5

a) \(\left[-\frac{1}{3}+7\right]-\left[\frac{3}{4}\div 11\right]=\)

b) \(\left[5-\frac{1}{3}\right]\div\left[13-\frac{1}{5}\right]=\)

c) \(\left[\frac{18}{7}-\frac{5}{42}\right]\cdot\left[\frac{7}{3}\cdot\frac{33}{4}\right]=\)

d) \(\left[-\frac{5}{15}+\frac{8}{9}\right]\div\left[9\div\frac{1}{3}\right]=\)

e) \(\left[\frac{10}{6}-\frac{20}{7}\right]+\left[\frac{2}{3}-\frac{20}{6}\right]=\)

f) \(\left[\frac{13}{26}+\frac{1}{5}\right]\div\left[-\frac{5}{4}+\frac{1}{4}\right]=\)

g) \(\left[-\frac{13}{12}+\frac{12}{13}\right]-\left[\frac{1}{5}\div\frac{1}{5}\right]=\)

h) \(\left[\frac{9}{5}\div\frac{5}{9}\right]\cdot\left[\frac{1}{3}-\frac{1}{3}\right]=\)

i) \(\left[-\frac{2}{3}+\frac{2}{3}\right]-\left[-\frac{1}{5}+\frac{2}{5}\right]=\)

j) \(\left[-\frac{4}{5}-5\right]\div\left[\frac{3}{2}\div\frac{3}{2}\right]=\)