Question

4³√16+2³√128=           quanto é     

Answer 1

veja

$4 \sqrt[3]{16} +2 \sqrt[3]{128} =$

$4 \sqrt[3]{2^4} +2 \sqrt[3]{2^7} =$

$4.2 \sqrt[3]{2} +2.4 \sqrt[3]{2} =$

$8 \sqrt[3]{2} +8 \sqrt[3]{2} =16 \sqrt[3]{2}$