\(\sqrt{0} = 0\)

\(\sqrt{36} = 6\)

\(\sqrt{64} = 8\)

\(\sqrt{16} + \sqrt{36} = 4 + 6 = 10\)

\(11 \sqrt{25} + 7 \sqrt{16} = 11 ⋅ 5 + 7 ⋅ 4 = 83\)

\(\sqrt{81} ⋅ \sqrt{64} = 9 ⋅ 8 = 72\)

\(\sqrt{5^{2} + 119} = \sqrt{25 + 119} = \sqrt{144} = 12\)

\(-\sqrt{25} = -5\)

\(\sqrt{-121}\) kan niet.

\(\sqrt{4^{2}} = 4\)

\(\sqrt{(-5)^{2}} = \sqrt{25} = 5\)

\(3 ⋅ \sqrt{4} = 3 ⋅ 2 = 6\)

\({7 \sqrt{5} \over 2} = 3\frac{1}{2} \sqrt{5} \text{.}\)

\(4 \sqrt{7} + 10 \sqrt{7} = 14 \sqrt{7}\)

\(8 \sqrt{7} - 7 \sqrt{2}\) kan niet korter.

\(4 \sqrt{32} ⋅ 2 \sqrt{2} = 8 ⋅ \sqrt{64} = 8 ⋅ 8 = 64\)

\(2 \sqrt{2} ⋅ 4 \sqrt{13} = 8 \sqrt{26}\)

\({\sqrt{30} \over \sqrt{6}} = \sqrt{5}\)

\({15 \sqrt{4} \over 3 \sqrt{2}} = {15 \over 3} ⋅ {\sqrt{4} \over \sqrt{2}} = 5 \sqrt{2}\)

\({5 \sqrt{20} \over \sqrt{5}} = 5 ⋅ {\sqrt{20} \over \sqrt{5}} = 5 ⋅ \sqrt{4} = 5 ⋅ 2 = 10\)

\((-4 \sqrt{3})^{2} = (-4)^{2} ⋅ \sqrt{3}^{2} = 16 ⋅ 3 = 48 \text{.}\)

\((\sqrt{11})^{2} = 11 \text{.}\)

\(-4 (\sqrt{3})^{2} = -4 ⋅ 3 = -12 \text{.}\)

\((-5 \sqrt{6})^{2} - 2 (\sqrt{3})^{2} = (-5)^{2} ⋅ (\sqrt{6})^{2} - 2 ⋅ (\sqrt{3})^{2} = 25 ⋅ 6 - 2 ⋅ 3 = 144 \text{.}\)