Question

calculando a raiz quadrada de
$\sqrt{ \frac{625}{225} }$
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Answer 1

$\bf \sqrt{ \frac{625}{225} } = \sqrt{ \frac{25}{9} } \\ \\\bf \frac{ \sqrt{25} }{ \sqrt{9} } = \frac{5}{ \sqrt{9} } \\ \\\bf \color{green}{ = \frac{5}{3}}$