Question

Resolva as raízes
$\sqrt{4}$
$\sqrt{9} - \sqrt{16}$
$\sqrt{4} + \sqrt{81}$
$4 + \sqrt{25/36}$
$- \sqrt{255}$
$\sqrt{100/121}$
$+ \sqrt{100} + \sqrt{9} - \sqrt{169}$
$- \sqrt{4} - \sqrt{ 100}$


(Me ajudem por favor)



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Answer 1

$\sqrt{4} \: = \sqrt{ {2}^{2} } = 2$

$\sqrt{9} - \sqrt{16} = 3 \: - \: 4 \: = - 1$

$\sqrt{4} + \sqrt{81} \: = 2 \: + \: 9 \: = 11$

$4 + \sqrt{ \frac{25}{36} } \: = 4 \: + \: \frac{5}{6} = \frac{29}{6}$

$- \: \sqrt{255} = - 15,96872$

$\sqrt{ \frac{100}{121} } = \sqrt{ \frac{ {10}^{2} }{ {11}^{2} } } = \frac{10}{11}$

$\sqrt{100} + \sqrt{9} - \sqrt{169} = 10 \: + \: 3 \: - \: 13 \: = 0$

$- \sqrt{4} - \sqrt{ 100} \: = - 2 \: - \: 10 \: = - 12$