Question

Calcule As Expressões.

a)225-√81
b)√9x√9
c)√49x100
d)√25+√25
√81-√16

Answer 1

Olá, Boa Noite.

a) 225 - $\sqrt{81}$ =

225 - 9 =

216

b) $\sqrt{9} * \sqrt{9}$ =

3 * 3 =

9

c) $\sqrt{49}$ * 100 =

7 * 100 =

700

d) $\sqrt{25} + \sqrt{25}$ =

5 + 5 =

10

e) $\sqrt{81} - \sqrt{16}$ =

9 - 4 =

5

Espero ter ajudado ;)