\(\sqrt{0} = 0\)

\(\sqrt{16} = 4\)

\(\sqrt{196} = 14\)

\(\sqrt{9} - \sqrt{49} = 3 - 7 = -4\)

\(9 \sqrt{144} + 5 \sqrt{100} = 9 ⋅ 12 + 5 ⋅ 10 = 158\)

\(\sqrt{4} ⋅ \sqrt{9} = 2 ⋅ 3 = 6\)

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

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

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

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

\(\sqrt{(-11)^{2}} = \sqrt{121} = 11\)

\(6 ⋅ \sqrt{25} = 6 ⋅ 5 = 30\)

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

\(9 \sqrt{11} + 10 \sqrt{11} = 19 \sqrt{11}\)

\(11 \sqrt{5} + 8 \sqrt{6}\) kan niet korter.

\(5 \sqrt{48} ⋅ 2 \sqrt{3} = 10 ⋅ \sqrt{144} = 10 ⋅ 12 = 120\)

\(3 \sqrt{17} ⋅ 4 \sqrt{2} = 12 \sqrt{34}\)

\({\sqrt{14} \over \sqrt{7}} = \sqrt{2}\)

\({20 \sqrt{80} \over 4 \sqrt{8}} = {20 \over 4} ⋅ {\sqrt{80} \over \sqrt{8}} = 5 \sqrt{10}\)

\({9 \sqrt{45} \over \sqrt{5}} = 9 ⋅ {\sqrt{45} \over \sqrt{5}} = 9 ⋅ \sqrt{9} = 9 ⋅ 3 = 27\)

\((8 \sqrt{5})^{2} = 8^{2} ⋅ \sqrt{5}^{2} = 64 ⋅ 5 = 320 \text{.}\)

\((\sqrt{6})^{2} = 6 \text{.}\)

\(-9 (\sqrt{10})^{2} = -9 ⋅ 10 = -90 \text{.}\)

\((-4 \sqrt{8})^{2} - 6 (\sqrt{7})^{2} = (-4)^{2} ⋅ (\sqrt{8})^{2} - 6 ⋅ (\sqrt{7})^{2} = 16 ⋅ 8 - 6 ⋅ 7 = 86 \text{.}\)