Rekenen met wortels (reeks 2)

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1. \(\sqrt{0{,}0036}\)
2. \(\sqrt{0{,}0144}\)
3. \(\sqrt{0{,}36}\)
4. \(\sqrt{2{,}89}\)
5. \(\sqrt{1{,}44}\)
6. \(\sqrt{0{,}16}\)
7. \(\sqrt{1{,}69}\)
8. \(\sqrt{0{,}81}\)
9. \(\sqrt{2{,}56}\)
10. \(\sqrt{0{,}0324}\)
11. \(\sqrt{0{,}0009}\)
12. \(\sqrt{0{,}0169}\)

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Verbetersleutel

1. \(\sqrt{0{,}0036}=\sqrt{\frac{36 }{ 10000}}=\frac{\sqrt{36}}{\sqrt{10000}}=\frac{6}{100}=\frac{3}{50}\)
2. \(\sqrt{0{,}0144}=\sqrt{\frac{144 }{ 10000}}=\frac{\sqrt{144}}{\sqrt{10000}}=\frac{12}{100}=\frac{3}{25}\)
3. \(\sqrt{0{,}36}=\sqrt{\frac{36 }{ 100}}=\frac{\sqrt{36}}{\sqrt{100}}=\frac{6}{10}=\frac{3}{5}\)
4. \(\sqrt{2{,}89}=\sqrt{\frac{289 }{ 100}}=\frac{\sqrt{289}}{\sqrt{100}}=\frac{17}{10}=\frac{17}{10}\)
5. \(\sqrt{1{,}44}=\sqrt{\frac{144 }{ 100}}=\frac{\sqrt{144}}{\sqrt{100}}=\frac{12}{10}=\frac{6}{5}\)
6. \(\sqrt{0{,}16}=\sqrt{\frac{16 }{ 100}}=\frac{\sqrt{16}}{\sqrt{100}}=\frac{4}{10}=\frac{2}{5}\)
7. \(\sqrt{1{,}69}=\sqrt{\frac{169 }{ 100}}=\frac{\sqrt{169}}{\sqrt{100}}=\frac{13}{10}=\frac{13}{10}\)
8. \(\sqrt{0{,}81}=\sqrt{\frac{81 }{ 100}}=\frac{\sqrt{81}}{\sqrt{100}}=\frac{9}{10}=\frac{9}{10}\)
9. \(\sqrt{2{,}56}=\sqrt{\frac{256 }{ 100}}=\frac{\sqrt{256}}{\sqrt{100}}=\frac{16}{10}=\frac{8}{5}\)
10. \(\sqrt{0{,}0324}=\sqrt{\frac{324 }{ 10000}}=\frac{\sqrt{324}}{\sqrt{10000}}=\frac{18}{100}=\frac{9}{50}\)
11. \(\sqrt{0{,}0009}=\sqrt{\frac{9 }{ 10000}}=\frac{\sqrt{9}}{\sqrt{10000}}=\frac{3}{100}=\frac{3}{100}\)
12. \(\sqrt{0{,}0169}=\sqrt{\frac{169 }{ 10000}}=\frac{\sqrt{169}}{\sqrt{10000}}=\frac{13}{100}=\frac{13}{100}\)