I.- Operaciones con exponentes fracionarios o negativos

761.762.
\large \frac{c}{b^{3}d^{2}}\, .\, \frac{b^{2}}{a^{-4}c^{2}}\large 3a^{-2}b^{-3}.\, 5a^{-3}b^{-4}
763.764.
\large 4a^{-3}b^{2}.\, 6a^{2}b^{-4}\large 3a^{2}\, b^{\frac{2}{3}}\, c^{\frac{1}{2}}.\, 5a^{\frac{3}{5}}\, b^{\frac{4}{3}}c
765.766.
\large -2a^{\frac{1}{2}}\, bc^{\frac{3}{4}}.\, 4a^{\frac{2}{3}}\, b^{\frac{1}{4}}\, c^{\frac{1}{5}}\large a^{\frac{3}{5}}.\, a^{\frac{1}{3}}.\, a^{\frac{3}{4}}
767.768.
\large b^{\frac{1}{4}}.\, b^{\frac{5}{6}}.\, b^{\frac{2}{3}}\large a^{\frac{3}{5}}.\, a^{\frac{2}{3}}
769.770.
\large a^{-\frac{3}{4}}.\, a^{\frac{5}{6}}\large \sqrt[4]{a^{\frac{1}{27}}.\sqrt[6]{a^{5}}}
771.
\large 20a^{\frac{2}{5}}\, bc^{2}:5a^{\frac{1}{3}}\, b^{\frac{1}{2}}\, c^{\frac{3}{4}}
772.
\large (6a^{2}b^{\frac{4}{3}}-4ab^{2}+12a^{3}b^{\frac{5}{2}}):2a^{\frac{1}{2}}\, b
773.774.
\large a:a^{\frac{2}{3}}\large a^{\frac{3}{2}}:a^{\frac{1}{2}}
775.776.
\large a^{\frac{1}{2}}:a^{\frac{1}{3}}\large (5a^{2}b^{\frac{2}{3}}\, c^{\frac{1}{2}})^{2}
777.778.
\large (-a^{\frac{2}{3}}\, b^{\frac{1}{4}}c^{2})^{\frac{3}{2}}\large a^{\frac{2}{3}}:a^{\frac{3}{4}}
779.780.
\large (a^{\frac{2}{3}}+a^{2}\, b^{\frac{1}{4}})^{2}\large a^{\frac{3}{4}}\, b^{-\frac{1}{2}}\, c^{-1}.\, a^{2}b^{\frac{2}{3}}\, c^{\frac{3}{5}}
781.782.
\large \sqrt{25a^{\frac{2}{3}}\, b^{\frac{1}{4}}\, c^{\frac{3}{5}}}\large \sqrt[3]{-8a^{\frac{2}{3}}\, b^{\frac{1}{4}}\, c^{\frac{2}{5}}}
783.784.
\large 3a^{-2}\, b^{\frac{2}{3}}.\, 2a^{-\frac{4}{5}}\, b^{\frac{1}{2}}\, c^{2}\large a^{\frac{3}{4}}:a^{\frac{4}{5}}
785.786.
\large a^{\frac{2}{5}}\, b^{\frac{3}{4}}:a^{-\frac{1}{2}}\, b^{\frac{7}{8}}\large (a^{\frac{3}{4}})^{5}
787.788.
\large (b^{-\frac{5}{6}})^{12}\large (2a^{-\frac{1}{2}}\, b^{\frac{3}{4}})^{6}
789.790.
\large (a^{\frac{2}{3}})^{\frac{3}{2}}\large \sqrt[3]{a^{\frac{2}{3}}}
791.792.
\large \sqrt{b^{-\frac{3}{4}}}\large \sqrt[3]{a^{\frac{3}{5}}\, b^{-2}}

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