Question

calcule o valor de cada expressão:​

Answer 1

a)

$\sqrt{25} - \sqrt{49}$

$\sqrt{25 - 7}$

$\sqrt{18}$

$3 \sqrt{2}$

b)

$- \sqrt{100} - \sqrt[3]{1000}$

$- 10 - 10$

$- 20$

c)

$\sqrt{0.04} + \sqrt{0.36}$

$\sqrt{ \frac{1}{25} } + \sqrt{ \frac{9}{25} }$

$\frac{1}{5} + \frac{3}{5}$

$\frac{4}{5}$

d)

$\sqrt[3]{8} + \sqrt[4]{81}$

$2 + 3$

$5$

e)

$\sqrt{169} - \sqrt{144}$

$13 - 12$

$1$

f)

$\sqrt[3]{ - 27} - \sqrt[3]{ - 1}$

$- 3 - ( - 1)$

$- 3 + 1$

$- 2$