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1. \(\sqrt{144}\)
2. \(\sqrt{484}\)
3. \(\sqrt{784}\)
4. \(\sqrt{726}\)
5. \(\sqrt{50}\)
6. \(\sqrt{294}\)
7. \(\sqrt{36}\)
8. \(\sqrt{96}\)
9. \(\sqrt{576}\)
10. \(\sqrt{8}\)
11. \(\sqrt{147}\)
12. \(\sqrt{300}\)

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Verbetersleutel

1. \(\sqrt{144}=12\)
2. \(\sqrt{484}=\sqrt{121 \cdot 4}=\sqrt{121} \cdot \sqrt{4}=11 \cdot 2=22\)
3. \(\sqrt{784}=\sqrt{196 \cdot 4}=\sqrt{196} \cdot \sqrt{4}=14 \cdot 2=28\)
4. \(\sqrt{726}=\sqrt{121 \cdot 6}=\sqrt{121}\cdot \sqrt{6}=11\sqrt{6}\)
5. \(\sqrt{50}=\sqrt{25 \cdot 2}=\sqrt{25}\cdot \sqrt{2}=5\sqrt{2}\)
6. \(\sqrt{294}=\sqrt{49 \cdot 6}=\sqrt{49}\cdot \sqrt{6}=7\sqrt{6}\)
7. \(\sqrt{36}=6\)
8. \(\sqrt{96}=\sqrt{16 \cdot 6}=\sqrt{16}\cdot \sqrt{6}=4\sqrt{6}\)
9. \(\sqrt{576}=\sqrt{144 \cdot 4}=\sqrt{144} \cdot \sqrt{4}=12 \cdot 2=24\)
10. \(\sqrt{8}=\sqrt{4 \cdot 2}=\sqrt{4}\cdot \sqrt{2}=2\sqrt{2}\)
11. \(\sqrt{147}=\sqrt{49 \cdot 3}=\sqrt{49}\cdot \sqrt{3}=7\sqrt{3}\)
12. \(\sqrt{300}=\sqrt{100 \cdot 3}=\sqrt{100}\cdot \sqrt{3}=10\sqrt{3}\)