Bloque 7
a)
\( 3\left\{\left[\frac{1}{5}-\frac{3}{5}\right]+2\right\}-5 = \)
b)
\( -2+4\left\{\left[\frac{2}{3}\div\frac{3}{2}\right]-\left[\frac{1}{8}-\frac{3}{8}\right]\right\}-\frac{1}{2} = \)
c)
\( \frac{1}{5}-3\left\{\left[\frac{2}{7}+\frac{1}{5}\right]-\left[\frac{1}{9}-\frac{2}{10}\right]\right\}+\frac{1}{5} = \)
d)
\( \left\{3\left[\frac{1}{5}+\frac{2}{5}\right]-9\left[\frac{2}{3}+\frac{1}{8}\right]\right\}
+\left\{\frac{1}{3}-\frac{2}{4}\right\} = \)
e)
\( \left\{\frac{5}{4}\left[\frac{2}{3}-\frac{3}{3}\right]+3\right\}
\div
\left\{\left[\frac{3}{9}\div\frac{9}{3}\right]-\frac{1}{2}\right\} = \)
f)
\( \left\{\frac{9}{2}\left[\frac{8}{12}-\frac{2}{9}\right]+5\right\}
\div
\left\{\left[\frac{11}{3}\div\frac{10}{6}\right]-\frac{6}{5}\right\} = \)
g)
\( \left\{\frac{11}{5}\left[\frac{1}{7}-\frac{12}{3}\right]+7\right\}
\div
\left\{\left[\frac{8}{12}\div\frac{6}{9}\right]-\frac{6}{10}\right\} = \)
h)
\( \left\{\frac{6}{2}\left[\frac{5}{6}-\frac{10}{9}\right]+1\right\}
\div
\left\{\left[\frac{10}{8}\div\frac{5}{1}\right]-\frac{5}{12}\right\} = \)
i)
\( \left\{\frac{8}{7}\left[\frac{7}{4}-\frac{7}{3}\right]+2\right\}
\div
\left\{\left[\frac{6}{12}\div\frac{3}{11}\right]-\frac{5}{2}\right\} = \)
j)
\( \left\{\frac{9}{2}\left[\frac{7}{6}-\frac{10}{5}\right]+1\right\}
\div
\left\{\left[\frac{12}{8}\div\frac{9}{1}\right]-\frac{5}{12}\right\} = \)