Question

3^o + (-2)^2 - (1/2)^-1 | (1/2)^-2

Answer 1

Resolverei usando propriedades de potências ... 



$\frac{3^{0}+ (-2)^{2}-( \frac{1}{2})^{-1} }{ (\frac{1}{2})^{-2} } \\\\\\ \frac{1+4- \frac{2}{1}^{1} }{ \frac{2}{1}^{2} } \\\\\\ \frac{5-2^{1}}{2^{2}} \\\\\\ \frac{5-2}{4} =\boxed{\boxed{ \ \frac{3}{4}\ }}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ok$