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1. \(\sqrt{128}\)
2. \(\sqrt{144}\)
3. \(\sqrt{300}\)
4. \(\sqrt{80}\)
5. \(\sqrt{1089}\)
6. \(\sqrt{180}\)
7. \(\sqrt{864}\)
8. \(\sqrt{36}\)
9. \(\sqrt{576}\)
10. \(\sqrt{243}\)
11. \(\sqrt{324}\)
12. \(\sqrt{484}\)

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Verbetersleutel

1. \(\sqrt{128}=\sqrt{64 \cdot 2}=\sqrt{64}\cdot \sqrt{2}=8\sqrt{2}\)
2. \(\sqrt{144}=12\)
3. \(\sqrt{300}=\sqrt{100 \cdot 3}=\sqrt{100}\cdot \sqrt{3}=10\sqrt{3}\)
4. \(\sqrt{80}=\sqrt{16 \cdot 5}=\sqrt{16}\cdot \sqrt{5}=4\sqrt{5}\)
5. \(\sqrt{1089}=\sqrt{121 \cdot 9}=\sqrt{121} \cdot \sqrt{9}=11 \cdot 3=33\)
6. \(\sqrt{180}=\sqrt{36 \cdot 5}=\sqrt{36}\cdot \sqrt{5}=6\sqrt{5}\)
7. \(\sqrt{864}=\sqrt{144 \cdot 6}=\sqrt{144}\cdot \sqrt{6}=12\sqrt{6}\)
8. \(\sqrt{36}=6\)
9. \(\sqrt{576}=\sqrt{144 \cdot 4}=\sqrt{144} \cdot \sqrt{4}=12 \cdot 2=24\)
10. \(\sqrt{243}=\sqrt{81 \cdot 3}=\sqrt{81}\cdot \sqrt{3}=9\sqrt{3}\)
11. \(\sqrt{324}=18\)
12. \(\sqrt{484}=\sqrt{121 \cdot 4}=\sqrt{121} \cdot \sqrt{4}=11 \cdot 2=22\)