\(\sqrt{0} = 0\)

\(\sqrt{36} = 6\)

\(\sqrt{196} = 14\)

\(\sqrt{49} + \sqrt{9} = 7 + 3 = 10\)

\(5 \sqrt{9} - 11 \sqrt{16} = 5 ⋅ 3 - 11 ⋅ 4 = -29\)

\(\sqrt{25} ⋅ \sqrt{4} = 5 ⋅ 2 = 10\)

\(\sqrt{5^{2} + 75} = \sqrt{25 + 75} = \sqrt{100} = 10\)

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

\(\sqrt{-9}\) kan niet.

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

\(\sqrt{(-4)^{2}} = \sqrt{16} = 4\)

\(2 ⋅ \sqrt{64} = 2 ⋅ 8 = 16\)

\({9 \sqrt{5} \over 7} = 1\frac{2}{7} \sqrt{5} \text{.}\)

\(7 \sqrt{11} - \sqrt{11} = 6 \sqrt{11}\)

\(12 \sqrt{6} - 4 \sqrt{10}\) kan niet korter.

\(4 \sqrt{5} ⋅ 5 \sqrt{20} = 20 ⋅ \sqrt{100} = 20 ⋅ 10 = 200\)

\(5 \sqrt{3} ⋅ 2 \sqrt{14} = 10 \sqrt{42}\)

\({\sqrt{48} \over \sqrt{8}} = \sqrt{6}\)

\({24 \sqrt{18} \over 8 \sqrt{3}} = {24 \over 8} ⋅ {\sqrt{18} \over \sqrt{3}} = 3 \sqrt{6}\)

\({16 \sqrt{8} \over 2 \sqrt{2}} = {16 \over 2} ⋅ {\sqrt{8} \over \sqrt{2}} = 8 ⋅ \sqrt{4} = 8 ⋅ 2 = 16\)

\((-5 \sqrt{2})^{2} = (-5)^{2} ⋅ \sqrt{2}^{2} = 25 ⋅ 2 = 50 \text{.}\)

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

\(-4 (\sqrt{5})^{2} = -4 ⋅ 5 = -20 \text{.}\)

\((-2 \sqrt{6})^{2} - 3 (\sqrt{7})^{2} = (-2)^{2} ⋅ (\sqrt{6})^{2} - 3 ⋅ (\sqrt{7})^{2} = 4 ⋅ 6 - 3 ⋅ 7 = 3 \text{.}\)