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1. \(\sqrt{1296}\)
2. \(\sqrt{196}\)
3. \(\sqrt{98}\)
4. \(\sqrt{400}\)
5. \(\sqrt{144}\)
6. \(\sqrt{900}\)
7. \(\sqrt{160}\)
8. \(\sqrt{12}\)
9. \(\sqrt{36}\)
10. \(\sqrt{490}\)
11. \(\sqrt{1440}\)
12. \(\sqrt{32}\)

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Verbetersleutel

1. \(\sqrt{1296}=\sqrt{324 \cdot 4}=\sqrt{324} \cdot \sqrt{4}=18 \cdot 2=36\)
2. \(\sqrt{196}=14\)
3. \(\sqrt{98}=\sqrt{49 \cdot 2}=\sqrt{49}\cdot \sqrt{2}=7\sqrt{2}\)
4. \(\sqrt{400}=20\)
5. \(\sqrt{144}=12\)
6. \(\sqrt{900}=\sqrt{9 \cdot 100}=\sqrt{9} \cdot \sqrt{100}=3 \cdot 10=30\)
7. \(\sqrt{160}=\sqrt{16 \cdot 10}=\sqrt{16}\cdot \sqrt{10}=4\sqrt{10}\)
8. \(\sqrt{12}=\sqrt{4 \cdot 3}=\sqrt{4}\cdot \sqrt{3}=2\sqrt{3}\)
9. \(\sqrt{36}=6\)
10. \(\sqrt{490}=\sqrt{49 \cdot 10}=\sqrt{49}\cdot \sqrt{10}=7\sqrt{10}\)
11. \(\sqrt{1440}=\sqrt{144 \cdot 10}=\sqrt{144}\cdot \sqrt{10}=12\sqrt{10}\)
12. \(\sqrt{32}=\sqrt{16 \cdot 2}=\sqrt{16}\cdot \sqrt{2}=4\sqrt{2}\)