Reken uit
- \(\sqrt{36}\)
- \(\sqrt{432}\)
- \(\sqrt{484}\)
- \(\sqrt{324}\)
- \(\sqrt{100}\)
- \(\sqrt{40}\)
- \(\sqrt{400}\)
- \(\sqrt{900}\)
- \(\sqrt{54}\)
- \(\sqrt{576}\)
- \(\sqrt{75}\)
- \(\sqrt{1600}\)
Reken uit
Verbetersleutel
- \(\sqrt{36}=6\)
- \(\sqrt{432}=\sqrt{144 \cdot 3}=\sqrt{144}\cdot \sqrt{3}=12\sqrt{3}\)
- \(\sqrt{484}=\sqrt{121 \cdot 4}=\sqrt{121} \cdot \sqrt{4}=11 \cdot 2=22\)
- \(\sqrt{324}=18\)
- \(\sqrt{100}=10\)
- \(\sqrt{40}=\sqrt{4 \cdot 10}=\sqrt{4}\cdot \sqrt{10}=2\sqrt{10}\)
- \(\sqrt{400}=20\)
- \(\sqrt{900}=\sqrt{9 \cdot 100}=\sqrt{9} \cdot \sqrt{100}=3 \cdot 10=30\)
- \(\sqrt{54}=\sqrt{9 \cdot 6}=\sqrt{9}\cdot \sqrt{6}=3\sqrt{6}\)
- \(\sqrt{576}=\sqrt{144 \cdot 4}=\sqrt{144} \cdot \sqrt{4}=12 \cdot 2=24\)
- \(\sqrt{75}=\sqrt{25 \cdot 3}=\sqrt{25}\cdot \sqrt{3}=5\sqrt{3}\)
- \(\sqrt{1600}=\sqrt{16 \cdot 100}=\sqrt{16} \cdot \sqrt{100}=4 \cdot 10=40\)