\(\sqrt{0} = 0\)

\(\sqrt{25} = 5\)

\(\sqrt{169} = 13\)

\(\sqrt{9} + \sqrt{36} = 3 + 6 = 9\)

\(8 \sqrt{121} + 7 \sqrt{4} = 8 ⋅ 11 + 7 ⋅ 2 = 102\)

\(\sqrt{49} ⋅ \sqrt{9} = 7 ⋅ 3 = 21\)

\(\sqrt{5^{2} + 39} = \sqrt{25 + 39} = \sqrt{64} = 8\)

\(-\sqrt{49} = -7\)

\(\sqrt{-16}\) kan niet.

\(\sqrt{7^{2}} = 7\)

\(\sqrt{(-7)^{2}} = \sqrt{49} = 7\)

\(7 ⋅ \sqrt{81} = 7 ⋅ 9 = 63\)

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

\(3 \sqrt{14} + 7 \sqrt{14} = 10 \sqrt{14}\)

\(5 \sqrt{7} + 2 \sqrt{11}\) kan niet korter.

\(5 \sqrt{12} ⋅ 4 \sqrt{12} = 20 ⋅ \sqrt{144} = 20 ⋅ 12 = 240\)

\(4 \sqrt{17} ⋅ 6 \sqrt{2} = 24 \sqrt{34}\)

\({\sqrt{6} \over \sqrt{2}} = \sqrt{3}\)

\({32 \sqrt{25} \over 4 \sqrt{5}} = {32 \over 4} ⋅ {\sqrt{25} \over \sqrt{5}} = 8 \sqrt{5}\)

\({54 \sqrt{90} \over 9 \sqrt{10}} = {54 \over 9} ⋅ {\sqrt{90} \over \sqrt{10}} = 6 ⋅ \sqrt{9} = 6 ⋅ 3 = 18\)

\((-4 \sqrt{6})^{2} = (-4)^{2} ⋅ \sqrt{6}^{2} = 16 ⋅ 6 = 96 \text{.}\)

\((\sqrt{3})^{2} = 3 \text{.}\)

\(-9 (\sqrt{7})^{2} = -9 ⋅ 7 = -63 \text{.}\)

\((2 \sqrt{8})^{2} - 6 (\sqrt{3})^{2} = 2^{2} ⋅ (\sqrt{8})^{2} - 6 ⋅ (\sqrt{3})^{2} = 4 ⋅ 8 - 6 ⋅ 3 = 14 \text{.}\)