Question

√27+√3
alguém sabe dizer?​

Answer 1

$\Large\boxed{\begin{array}{l}\begin{array}{c|c}\sf27&\sf3\\\sf9&\sf3\\\sf3&\sf3\\\sf1\end{array}\\\sf 27=3^2\cdot3\\\sf \sqrt{27}=\sqrt{3^2\cdot3}=3\sqrt{3}\\\sf\sqrt{27}+\sqrt{3}=3\sqrt{3}+\sqrt{3}=4\sqrt{3}\end{array}}$