Найдите значение выражения:
1) $\sqrt{16 + 9}$;
2) $\sqrt{16} + \sqrt{9}$;
3) $\sqrt{36} - \sqrt{49}$;
4) $\sqrt{36} * \sqrt{49}$;
5) $5\sqrt{4} - \sqrt{25}$;
6) $\sqrt{0,81} + \sqrt{0,01}$;
7) $\frac{1}{3}\sqrt{0,09} - 2$;
8) $-2\sqrt{0,16} + 0,7$;
9) $(\sqrt{13})^2 - 3 * (\sqrt{8})^2$;
10) $\frac{1}{6} * (\sqrt{18})^2 - (\frac{1}{2}\sqrt{24})^2$;
11) $50 * (-\frac{1}{5}\sqrt{2})^2$;
12) $\sqrt{4 * 5^2 - 6^2}$.
$\sqrt{16 + 9} = \sqrt{25} = 5$
$\sqrt{16} + \sqrt{9} = 4 + 3 = 7$
$\sqrt{36} - \sqrt{49} = 6 - 7 = -1$
$\sqrt{36} * \sqrt{49} = 6 * 7 = 42$
$5\sqrt{4} - \sqrt{25} = 5 * 2 - 5 = 10 - 5 = 5$
$\sqrt{0,81} + \sqrt{0,01} = 0,9 + 0,1 = 1$
$\frac{1}{3}\sqrt{0,09} - 2 = \frac{1}{3} * 0,3 - 2 = \frac{1}{3} * \frac{3}{10} - 2 = \frac{1}{10} - 2 = 0,1 - 2 = -1,9$
$-2\sqrt{0,16} + 0,7 = -2 * 0,4 + 0,7 = -0,8 + 0,7 = -0,1$
$(\sqrt{13})^2 - 3 * (\sqrt{8})^2 = 13 - 3 * 8 = 13 - 24 = -11$
$\frac{1}{6} * (\sqrt{18})^2 - (\frac{1}{2}\sqrt{24})^2 = \frac{1}{6} * 18 - (\frac{1}{2})^2 * (\sqrt{24})^2 = 3 - \frac{1}{4} * 24 = 3 - 6 = -3$
$50 * (-\frac{1}{5}\sqrt{2})^2 = 50 * (-\frac{1}{5})^2 * (\sqrt{2})^2 = 50 * \frac{1}{25} * 2 = 2 * 2 = 4$
$\sqrt{4 * 5^2 - 6^2} = \sqrt{4 * 25 - 36} = \sqrt{100 - 36} = \sqrt{64} = 8$
Пожауйста, оцените решение