Question
Fill in the blanks: $\sqrt[3]{\frac{729}{1331}}=\frac{9}{...}$
✓
Answer
$\sqrt[3]{\frac{729}{1331}}=\frac{9}{\underline{11}}$ Solution: $\because\sqrt[3]{\frac{729}{1331}}$ $=\frac{\sqrt[3]{27}}{{\sqrt[3]{1331}}}$ $=\frac{9}{\underline{11}}$
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