Respuesta:
[tex]R = \frac{9^{2^{-1}} +36^{2^{-1}} +125^{3^{-1} } }{4^{2^{-1} } }\\ \\R = \frac{9^{\frac{1}{2} }+36^{\frac{1}{2} }+125^{\frac{1}{3} } }{4^{\frac{1}{2} } } \\\\R = \frac{\sqrt{9}+\sqrt{36}+\sqrt[3]{125} }{\sqrt{4} } \\\\R = \frac{3+6+5}{2} \\\\R =\frac{14}{2}\\ \\R=7[/tex]
