\(\sqrt{0}=0\)

\(\sqrt{36}=6\)

\(\sqrt{144}=12\)

\(\sqrt{64}+\sqrt{4}=8+2=10\)

\(2\sqrt{100}-6\sqrt{144}=2⋅10-6⋅12=-52\)

\(\sqrt{9}⋅\sqrt{36}=3⋅6=18\)

\(\sqrt{6^2+64}=\sqrt{36+64}=\sqrt{100}=10\)

\(-\sqrt{9}=-3\)

\(\sqrt{-64}\) kan niet.

\(\sqrt{8^2}=8\)

\(\sqrt{(-10)^2}=\sqrt{100}=10\)

\((5\sqrt{8})^2=5^2⋅\sqrt{8}^2=25⋅8=200\text{.}\)

\({7\sqrt{3} \over 2}=3\frac{1}{2}\sqrt{3}\text{.}\)

\((2\sqrt{4}+3)(2\sqrt{4}-3)=(2\sqrt{4})^2-3^2=4⋅4-9=16-9=7\text{.}\)