Question

como resolvo essa conta???

Answer 1

$\sqrt{ \frac{32}{9} } - \sqrt{ \frac{18}{9} } = \\\\ \frac{ \sqrt{32} }{3} - \frac{ \sqrt{18} }{3} = \\\\ \frac{4 \sqrt{2} }{3} - \frac{3 \sqrt{2} }{3} = \\\\ \frac{4 \sqrt{2} }{3} - \sqrt{2} = \\\\ \frac{ \sqrt{2} }{3} = 0,4714...$