Question

simplifique as expressoes numericas √81-√64+√144

Answer 1

$\sqrt{81} - \sqrt{64} + \sqrt{144} \\ 9 - 8 + 12 \\ 1 + 12 \\ 13=$

Answer 2

√81-√64+√144
9 - 8 + 12
1 + 12
13