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1. \(\sqrt{125}\)
2. \(\sqrt{144}\)
3. \(\sqrt{245}\)
4. \(\sqrt{324}\)
5. \(\sqrt{640}\)
6. \(\sqrt{2304}\)
7. \(\sqrt{36}\)
8. \(\sqrt{900}\)
9. \(\sqrt{484}\)
10. \(\sqrt{576}\)
11. \(\sqrt{300}\)
12. \(\sqrt{18}\)

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Verbetersleutel

1. \(\sqrt{125}=\sqrt{25 \cdot 5}=\sqrt{25}\cdot \sqrt{5}=5\sqrt{5}\)
2. \(\sqrt{144}=12\)
3. \(\sqrt{245}=\sqrt{49 \cdot 5}=\sqrt{49}\cdot \sqrt{5}=7\sqrt{5}\)
4. \(\sqrt{324}=18\)
5. \(\sqrt{640}=\sqrt{64 \cdot 10}=\sqrt{64}\cdot \sqrt{10}=8\sqrt{10}\)
6. \(\sqrt{2304}=\sqrt{576 \cdot 4}=\sqrt{144 \cdot 4 \cdot 4}=\sqrt{144} \cdot \sqrt{4} \cdot \sqrt{4}=12 \cdot 2 \cdot 2=48\)
7. \(\sqrt{36}=6\)
8. \(\sqrt{900}=\sqrt{9 \cdot 100}=\sqrt{9} \cdot \sqrt{100}=3 \cdot 10=30\)
9. \(\sqrt{484}=\sqrt{121 \cdot 4}=\sqrt{121} \cdot \sqrt{4}=11 \cdot 2=22\)
10. \(\sqrt{576}=\sqrt{144 \cdot 4}=\sqrt{144} \cdot \sqrt{4}=12 \cdot 2=24\)
11. \(\sqrt{300}=\sqrt{100 \cdot 3}=\sqrt{100}\cdot \sqrt{3}=10\sqrt{3}\)
12. \(\sqrt{18}=\sqrt{9 \cdot 2}=\sqrt{9}\cdot \sqrt{2}=3\sqrt{2}\)