Question

$\sqrt{144} + \sqrt{169} - \sqrt{81}$
$- \sqrt{36} + \sqrt{121} + \sqrt{9}$
alguém por favor calcula p mim?

Answer 1

$\sqrt{144} + \sqrt{169} - \sqrt{81}$
$- \sqrt{36} + \sqrt{121} + \sqrt{9}$
12-13-9-6+11+3
1-9-6+11+3
8-6+11+3
2+11+3
13+3= 16