⚡ القوى والجذور ⚡

$B = \frac{\left(\frac{2}{\sqrt{2}}\right)^{-2} \times 4 - (-\sqrt{2})^3}{\sqrt{2}^2}$

$b = \frac{(2\sqrt{3})^{-3}}{2^{-1} \times (3\sqrt{2})^{-2}} - \frac{1}{2}$

$C = \sqrt{2} - \frac{\left(\frac{2}{3}\right)^3 \times (-\sqrt{3})^6 - \left(\frac{1}{\sqrt{2}}\right)^{-4}}{4}$