Question

Даю 25 баллов...........

Answer 1

$2\sqrt[3]{\sqrt{a} } -\sqrt[6]{ab} :\sqrt[6]{b} =2\sqrt[6]{a} -\sqrt[6]{\frac{ab}{b} } =\\ \\ =2\sqrt[6]{a} -\sqrt[6]{a} =\sqrt[6]{a}$

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