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1. \(\sqrt{100}\)
2. \(\sqrt{605}\)
3. \(\sqrt{90}\)
4. \(\sqrt{405}\)
5. \(\sqrt{196}\)
6. \(\sqrt{3600}\)
7. \(\sqrt{1600}\)
8. \(\sqrt{45}\)
9. \(\sqrt{80}\)
10. \(\sqrt{900}\)
11. \(\sqrt{144}\)
12. \(\sqrt{108}\)

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Verbetersleutel

1. \(\sqrt{100}=10\)
2. \(\sqrt{605}=\sqrt{121 \cdot 5}=\sqrt{121}\cdot \sqrt{5}=11\sqrt{5}\)
3. \(\sqrt{90}=\sqrt{9 \cdot 10}=\sqrt{9}\cdot \sqrt{10}=3\sqrt{10}\)
4. \(\sqrt{405}=\sqrt{81 \cdot 5}=\sqrt{81}\cdot \sqrt{5}=9\sqrt{5}\)
5. \(\sqrt{196}=14\)
6. \(\sqrt{3600}=\sqrt{36 \cdot 100}=\sqrt{36} \cdot \sqrt{100}=6 \cdot 10=60\)
7. \(\sqrt{1600}=\sqrt{16 \cdot 100}=\sqrt{16} \cdot \sqrt{100}=4 \cdot 10=40\)
8. \(\sqrt{45}=\sqrt{9 \cdot 5}=\sqrt{9}\cdot \sqrt{5}=3\sqrt{5}\)
9. \(\sqrt{80}=\sqrt{16 \cdot 5}=\sqrt{16}\cdot \sqrt{5}=4\sqrt{5}\)
10. \(\sqrt{900}=\sqrt{9 \cdot 100}=\sqrt{9} \cdot \sqrt{100}=3 \cdot 10=30\)
11. \(\sqrt{144}=12\)
12. \(\sqrt{108}=\sqrt{36 \cdot 3}=\sqrt{36}\cdot \sqrt{3}=6\sqrt{3}\)