\(\sqrt{1} = 1\)

\(\sqrt{36} = 6\)

\(\sqrt{225} = 15\)

\(\sqrt{16} + \sqrt{64} = 4 + 8 = 12\)

\(3 \sqrt{121} - 12 \sqrt{4} = 3 ⋅ 11 - 12 ⋅ 2 = 9\)

\(\sqrt{64} ⋅ \sqrt{16} = 8 ⋅ 4 = 32\)

\(\sqrt{6^{2} + 108} = \sqrt{36 + 108} = \sqrt{144} = 12\)

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

\(\sqrt{-81}\) kan niet.

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

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

\(7 ⋅ \sqrt{81} = 7 ⋅ 9 = 63\)

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

\(4 \sqrt{5} - 2 \sqrt{5} = 2 \sqrt{5}\)

\(11 \sqrt{3} - 2 \sqrt{5}\) kan niet korter.

\(2 \sqrt{48} ⋅ 3 \sqrt{3} = 6 ⋅ \sqrt{144} = 6 ⋅ 12 = 72\)

\(6 \sqrt{3} ⋅ 3 \sqrt{13} = 18 \sqrt{39}\)

\({\sqrt{40} \over \sqrt{8}} = \sqrt{5}\)

\({6 \sqrt{56} \over 3 \sqrt{8}} = {6 \over 3} ⋅ {\sqrt{56} \over \sqrt{8}} = 2 \sqrt{7}\)

\({18 \sqrt{27} \over 6 \sqrt{3}} = {18 \over 6} ⋅ {\sqrt{27} \over \sqrt{3}} = 3 ⋅ \sqrt{9} = 3 ⋅ 3 = 9\)

\((6 \sqrt{7})^{2} = 6^{2} ⋅ \sqrt{7}^{2} = 36 ⋅ 7 = 252 \text{.}\)

\((\sqrt{10})^{2} = 10 \text{.}\)

\(7 (\sqrt{5})^{2} = 7 ⋅ 5 = 35 \text{.}\)

\((3 \sqrt{2})^{2} - 8 (\sqrt{6})^{2} = 3^{2} ⋅ (\sqrt{2})^{2} - 8 ⋅ (\sqrt{6})^{2} = 9 ⋅ 2 - 8 ⋅ 6 = -30 \text{.}\)