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1. \(\sqrt{490}\)
2. \(\sqrt{100}\)
3. \(\sqrt{605}\)
4. \(\sqrt{2025}\)
5. \(\sqrt{900}\)
6. \(\sqrt{48}\)
7. \(\sqrt{108}\)
8. \(\sqrt{192}\)
9. \(\sqrt{128}\)
10. \(\sqrt{250}\)
11. \(\sqrt{405}\)
12. \(\sqrt{196}\)

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Verbetersleutel

1. \(\sqrt{490}=\sqrt{49 \cdot 10}=\sqrt{49}\cdot \sqrt{10}=7\sqrt{10}\)
2. \(\sqrt{100}=10\)
3. \(\sqrt{605}=\sqrt{121 \cdot 5}=\sqrt{121}\cdot \sqrt{5}=11\sqrt{5}\)
4. \(\sqrt{2025}=\sqrt{81 \cdot 25}=\sqrt{81} \cdot \sqrt{25}=9 \cdot 5=45\)
5. \(\sqrt{900}=\sqrt{9 \cdot 100}=\sqrt{9} \cdot \sqrt{100}=3 \cdot 10=30\)
6. \(\sqrt{48}=\sqrt{16 \cdot 3}=\sqrt{16}\cdot \sqrt{3}=4\sqrt{3}\)
7. \(\sqrt{108}=\sqrt{36 \cdot 3}=\sqrt{36}\cdot \sqrt{3}=6\sqrt{3}\)
8. \(\sqrt{192}=\sqrt{64 \cdot 3}=\sqrt{64}\cdot \sqrt{3}=8\sqrt{3}\)
9. \(\sqrt{128}=\sqrt{64 \cdot 2}=\sqrt{64}\cdot \sqrt{2}=8\sqrt{2}\)
10. \(\sqrt{250}=\sqrt{25 \cdot 10}=\sqrt{25}\cdot \sqrt{10}=5\sqrt{10}\)
11. \(\sqrt{405}=\sqrt{81 \cdot 5}=\sqrt{81}\cdot \sqrt{5}=9\sqrt{5}\)
12. \(\sqrt{196}=14\)