Bloque 8
\( \text{a)}\quad
\frac{3}{4}
\left\{
\left[\frac{1}{2}-\frac{3}{4}\right]
-\frac{3}{4}
\left[-\frac{1}{5}+\frac{2}{5}\right]
\right\}
-3 =
\)
\( \text{b)}\quad
\frac{1}{5}
\left\{
\left[-\frac{1}{2}-\frac{1}{2}\right]
+\frac{3}{5}
\left[-\frac{2}{7}-\frac{2}{7}\right]
\right\}
+2 =
\)
\( \text{c)}\quad
-\frac{3}{5}
-\frac{1}{7}
\left\{
\left[-\frac{3}{9}-\frac{1}{10}\right]
-\frac{3}{4}
\left[\frac{1}{8}-\frac{1}{8}\right]
\right\}
-5 =
\)
\( \text{d)}\quad
\frac{2}{9}
-3
\left\{
\left[-\frac{4}{6}-\frac{1}{3}\right]
+\frac{3}{4}
\left[-\frac{3}{7}+\frac{1}{9}\right]
\right\}
+1 =
\)
\( \text{e)}\quad
\frac{1}{5}
+2
\left\{
\left[-\frac{1}{3}+\frac{2}{5}\right]
-\frac{7}{2}
\left[-\frac{1}{6}+\frac{2}{3}\right]
\right\}
-1 =
\)
\( \text{f)}\quad
\frac{1}{3}
+\frac{1}{3}
\left\{
\left[\frac{1}{3}+\frac{1}{3}\right]
-\frac{1}{3}
\left[\frac{1}{3}-\frac{1}{3}\right]
\right\}
-\frac{1}{3} =
\)
\( \text{g)}\quad
-\frac{11}{10}
+\frac{2}{9}
\left\{
\left[\frac{2}{7}-\frac{1}{7}\right]
\div \frac{2}{9}
\left[\frac{4}{7}-\frac{3}{14}\right]
\right\}
+2 =
\)
\( \text{h)}\quad
2
+3
\left\{
\left[3-\frac{1}{2}\right]
\div \frac{1}{10}
\left[3-4\right]
\right\}
-3 =
\)
\( \text{i)}\quad
-2
-2
\left\{
\left[-5-8\right]
\div \frac{1}{3}
\left[-1-5\right]
\right\}
=
\)
\( \text{j)}\quad
10
-3
\left\{
\left[-10+13\right]
-5
\left[\frac{1}{5}+3\right]
\right\}
-1 =
\)