Wurzeln/Linearkombination/Rechnung/2/Aufgabe

Berechne

${\left({\frac {2}{5}}-{\frac {1}{6}}{\sqrt[{3}]{2}}+{\frac {1}{5}}{\left({\sqrt[{3}]{2}}\right)}^{2}\right)}\cdot {\left(-{\frac {2}{5}}+7{\sqrt[{3}]{2}}+{\frac {1}{4}}{\left({\sqrt[{3}]{2}}\right)}^{2}\right)}.$

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