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- \(\sqrt{1296}\)
- \(\sqrt{18}\)
- \(\sqrt{784}\)
- \(\sqrt{576}\)
- \(\sqrt{900}\)
- \(\sqrt{640}\)
- \(\sqrt{36}\)
- \(\sqrt{32}\)
- \(\sqrt{147}\)
- \(\sqrt{128}\)
- \(\sqrt{144}\)
- \(\sqrt{12}\)
Reken uit
Verbetersleutel
- \(\sqrt{1296}=\sqrt{324 \cdot 4}=\sqrt{324} \cdot \sqrt{4}=18 \cdot 2=36\)
- \(\sqrt{18}=\sqrt{9 \cdot 2}=\sqrt{9}\cdot \sqrt{2}=3\sqrt{2}\)
- \(\sqrt{784}=\sqrt{196 \cdot 4}=\sqrt{196} \cdot \sqrt{4}=14 \cdot 2=28\)
- \(\sqrt{576}=\sqrt{144 \cdot 4}=\sqrt{144} \cdot \sqrt{4}=12 \cdot 2=24\)
- \(\sqrt{900}=\sqrt{9 \cdot 100}=\sqrt{9} \cdot \sqrt{100}=3 \cdot 10=30\)
- \(\sqrt{640}=\sqrt{64 \cdot 10}=\sqrt{64}\cdot \sqrt{10}=8\sqrt{10}\)
- \(\sqrt{36}=6\)
- \(\sqrt{32}=\sqrt{16 \cdot 2}=\sqrt{16}\cdot \sqrt{2}=4\sqrt{2}\)
- \(\sqrt{147}=\sqrt{49 \cdot 3}=\sqrt{49}\cdot \sqrt{3}=7\sqrt{3}\)
- \(\sqrt{128}=\sqrt{64 \cdot 2}=\sqrt{64}\cdot \sqrt{2}=8\sqrt{2}\)
- \(\sqrt{144}=12\)
- \(\sqrt{12}=\sqrt{4 \cdot 3}=\sqrt{4}\cdot \sqrt{3}=2\sqrt{3}\)