Question

упрощать............

Answer 1

$displaystyle sqrt[3]{80+48 sqrt{3} } = sqrt[3]{8+72+24 sqrt{3}+24 sqrt{3} } = sqrt[3]{8+24 sqrt{3} +72+24 sqrt{3} } = \ \ = sqrt[3]{(2+2 sqrt{3} )^3} =2+2 sqrt{3}$