Question

Вычислите срочно
$\sqrt{6 + \sqrt{6 + \sqrt{6 + \sqrt{9} } } }$
$\sqrt{20 - \sqrt{20 - \sqrt{20 - \sqrt{16} } } }$
​

Answer 1

1- √6+ √6+ 3
√6+ √6+ √9
√6+ √6+3
√6+ √9
√6+3
√9
=3
2.-
√20-√20-√20-4
√20-√20-√16
√20-√20-4
√20-√16
√20-4
√16
=4