Question

256 1/2 - 8 1/3 + 25 1/2

Answer 1

$\displaystyle \mathsf{256^{\frac{1}{2}}-8^{\frac{1}{3}}+25^{\frac{1}{2}}}\\\\\displaystyle \mathsf{\sqrt{256}-\sqrt[3]{8}+\sqrt{25} }\\\\\displaystyle \mathsf{16-2+5\to19}$