Question

a expressão √9/4 + √16/4 vale quanto?

Answer 1

Propriedade: √(x/y) = √x/√y

$\sqrt{\frac{9}{4} } + \sqrt{\frac{16}{4} } \\\frac{\sqrt{9} }{\sqrt{4} } + \frac{\sqrt{16} }{\sqrt{4} }\\\frac{3}{2} + \frac{4}{2}\\\\\frac{7}{2}$

Resposta:

$\frac{7}{2}$