Rekenen met wortels (reeks 2)

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Reken uit

  1. \(\sqrt{0,0081}\)
  2. \(\sqrt{0,0225}\)
  3. \(\sqrt{0,0169}\)
  4. \(\sqrt{0,0049}\)
  5. \(\sqrt{0,64}\)
  6. \(\sqrt{0,0016}\)
  7. \(\sqrt{0,0196}\)
  8. \(\sqrt{3,24}\)
  9. \(\sqrt{1,44}\)
  10. \(\sqrt{3,61}\)
  11. \(\sqrt{0,0289}\)
  12. \(\sqrt{0,0144}\)

Reken uit

Verbetersleutel

  1. \(\sqrt{0,0081}=\sqrt{\frac{81 }{ 10000}}=\frac{\sqrt{81}}{\sqrt{10000}}=\frac{9}{100}=\frac{9}{100}\)
  2. \(\sqrt{0,0225}=\sqrt{\frac{225 }{ 10000}}=\frac{\sqrt{225}}{\sqrt{10000}}=\frac{15}{100}=\frac{3}{20}\)
  3. \(\sqrt{0,0169}=\sqrt{\frac{169 }{ 10000}}=\frac{\sqrt{169}}{\sqrt{10000}}=\frac{13}{100}=\frac{13}{100}\)
  4. \(\sqrt{0,0049}=\sqrt{\frac{49 }{ 10000}}=\frac{\sqrt{49}}{\sqrt{10000}}=\frac{7}{100}=\frac{7}{100}\)
  5. \(\sqrt{0,64}=\sqrt{\frac{64 }{ 100}}=\frac{\sqrt{64}}{\sqrt{100}}=\frac{8}{10}=\frac{4}{5}\)
  6. \(\sqrt{0,0016}=\sqrt{\frac{16 }{ 10000}}=\frac{\sqrt{16}}{\sqrt{10000}}=\frac{4}{100}=\frac{1}{25}\)
  7. \(\sqrt{0,0196}=\sqrt{\frac{196 }{ 10000}}=\frac{\sqrt{196}}{\sqrt{10000}}=\frac{14}{100}=\frac{7}{50}\)
  8. \(\sqrt{3,24}=\sqrt{\frac{324 }{ 100}}=\frac{\sqrt{324}}{\sqrt{100}}=\frac{18}{10}=\frac{9}{5}\)
  9. \(\sqrt{1,44}=\sqrt{\frac{144 }{ 100}}=\frac{\sqrt{144}}{\sqrt{100}}=\frac{12}{10}=\frac{6}{5}\)
  10. \(\sqrt{3,61}=\sqrt{\frac{361 }{ 100}}=\frac{\sqrt{361}}{\sqrt{100}}=\frac{19}{10}=\frac{19}{10}\)
  11. \(\sqrt{0,0289}=\sqrt{\frac{289 }{ 10000}}=\frac{\sqrt{289}}{\sqrt{10000}}=\frac{17}{100}=\frac{17}{100}\)
  12. \(\sqrt{0,0144}=\sqrt{\frac{144 }{ 10000}}=\frac{\sqrt{144}}{\sqrt{10000}}=\frac{12}{100}=\frac{3}{25}\)
Oefeningengenerator vanhoeckes.be/wiskunde 2021-12-02 01:46:26