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1. \(\sqrt{144}\)
2. \(\sqrt{810}\)
3. \(\sqrt{784}\)
4. \(\sqrt{27}\)
5. \(\sqrt{90}\)
6. \(\sqrt{1000}\)
7. \(\sqrt{225}\)
8. \(\sqrt{294}\)
9. \(\sqrt{100}\)
10. \(\sqrt{50}\)
11. \(\sqrt{36}\)
12. \(\sqrt{8}\)

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Verbetersleutel

1. \(\sqrt{144}=12\)
2. \(\sqrt{810}=\sqrt{81 \cdot 10}=\sqrt{81}\cdot \sqrt{10}=9\sqrt{10}\)
3. \(\sqrt{784}=\sqrt{196 \cdot 4}=\sqrt{196} \cdot \sqrt{4}=14 \cdot 2=28\)
4. \(\sqrt{27}=\sqrt{9 \cdot 3}=\sqrt{9}\cdot \sqrt{3}=3\sqrt{3}\)
5. \(\sqrt{90}=\sqrt{9 \cdot 10}=\sqrt{9}\cdot \sqrt{10}=3\sqrt{10}\)
6. \(\sqrt{1000}=\sqrt{100 \cdot 10}=\sqrt{100}\cdot \sqrt{10}=10\sqrt{10}\)
7. \(\sqrt{225}=15\)
8. \(\sqrt{294}=\sqrt{49 \cdot 6}=\sqrt{49}\cdot \sqrt{6}=7\sqrt{6}\)
9. \(\sqrt{100}=10\)
10. \(\sqrt{50}=\sqrt{25 \cdot 2}=\sqrt{25}\cdot \sqrt{2}=5\sqrt{2}\)
11. \(\sqrt{36}=6\)
12. \(\sqrt{8}=\sqrt{4 \cdot 2}=\sqrt{4}\cdot \sqrt{2}=2\sqrt{2}\)