Aplicația este accesibilă de pe ecrane late

1 / 4
\left(-\frac{1}{2}\right)^{-2}+\left(-\frac{7}{6}\right)^0-\left(\frac{2}{3}\right)^{-3}=
\frac{13}{8}
3
2
\frac{5}{8}
2 / 4
\left(\frac{4}{5}\right)^2\times\left(\frac{4}{5}\right)^{-3}=
\frac{4}{5}
1
3
\frac{5}{4}
3 / 4
\lbrack\left(-\frac{1}{3}\right)^{-1}\rbrack^{-2}=
-1/9
-9
9
\frac{1}{9}
4 / 4
\frac{\left(\frac{7}{3}\right)^4}{\left(\frac{7}{3}\right)^5}=
\frac{3}{7}
\frac{7}{3}
3
7