VII.- División de radicales

714.
\large 4\sqrt{72}:\sqrt{8}
715.
\large (5\sqrt{32}-3\sqrt{72}):\sqrt{8}
716.
\large (4\sqrt{18}-6\sqrt{8}+8\sqrt{72}):4\sqrt{2}
717.
\large 36\sqrt{x^{3}y^{5}}:9\sqrt{x^{2}y^{2}}
718.719.
\large \frac{\sqrt[5]{a^{3}b^{4}}c^{5}}{\sqrt[5]{a^{2}b^{5}c^{2}d^{4}}}\large \frac{\sqrt[7]{4a^{6}b^{5}r^{3}}}{\sqrt[7]{2a^{3}b^{4}r^{5}}}
720.721.
\large \frac{-2\sqrt{-5a^{3}b^{2}}}{\sqrt{-ab^{4}}}\large \frac{\sqrt[3]{a^{2}bc^{2}d}}{\sqrt{abc}}
722.723.
\large \frac{\sqrt[4]{a^{3}b^{2}cd^{3}}}{\sqrt[3]{a^{2}c}d^{2}e}\large \frac{\sqrt{2a}}{\sqrt[3]{a}}

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