Rekenen met wortels (reeks 2)

Hoofdmenu Eentje per keer 

Reken uit

  1. \(\sqrt{0,0049}\)
  2. \(\sqrt{2,89}\)
  3. \(\sqrt{1,44}\)
  4. \(\sqrt{0,25}\)
  5. \(\sqrt{0,0036}\)
  6. \(\sqrt{0,81}\)
  7. \(\sqrt{1,21}\)
  8. \(\sqrt{0,0025}\)
  9. \(\sqrt{2,25}\)
  10. \(\sqrt{0,04}\)
  11. \(\sqrt{0,0196}\)
  12. \(\sqrt{1,96}\)

Reken uit

Verbetersleutel

  1. \(\sqrt{0,0049}=\sqrt{\frac{49 }{ 10000}}=\frac{\sqrt{49}}{\sqrt{10000}}=\frac{7}{100}=\frac{7}{100}\)
  2. \(\sqrt{2,89}=\sqrt{\frac{289 }{ 100}}=\frac{\sqrt{289}}{\sqrt{100}}=\frac{17}{10}=\frac{17}{10}\)
  3. \(\sqrt{1,44}=\sqrt{\frac{144 }{ 100}}=\frac{\sqrt{144}}{\sqrt{100}}=\frac{12}{10}=\frac{6}{5}\)
  4. \(\sqrt{0,25}=\sqrt{\frac{25 }{ 100}}=\frac{\sqrt{25}}{\sqrt{100}}=\frac{5}{10}=\frac{1}{2}\)
  5. \(\sqrt{0,0036}=\sqrt{\frac{36 }{ 10000}}=\frac{\sqrt{36}}{\sqrt{10000}}=\frac{6}{100}=\frac{3}{50}\)
  6. \(\sqrt{0,81}=\sqrt{\frac{81 }{ 100}}=\frac{\sqrt{81}}{\sqrt{100}}=\frac{9}{10}=\frac{9}{10}\)
  7. \(\sqrt{1,21}=\sqrt{\frac{121 }{ 100}}=\frac{\sqrt{121}}{\sqrt{100}}=\frac{11}{10}=\frac{11}{10}\)
  8. \(\sqrt{0,0025}=\sqrt{\frac{25 }{ 10000}}=\frac{\sqrt{25}}{\sqrt{10000}}=\frac{5}{100}=\frac{1}{20}\)
  9. \(\sqrt{2,25}=\sqrt{\frac{225 }{ 100}}=\frac{\sqrt{225}}{\sqrt{100}}=\frac{15}{10}=\frac{3}{2}\)
  10. \(\sqrt{0,04}=\sqrt{\frac{4 }{ 100}}=\frac{\sqrt{4}}{\sqrt{100}}=\frac{2}{10}=\frac{1}{5}\)
  11. \(\sqrt{0,0196}=\sqrt{\frac{196 }{ 10000}}=\frac{\sqrt{196}}{\sqrt{10000}}=\frac{14}{100}=\frac{7}{50}\)
  12. \(\sqrt{1,96}=\sqrt{\frac{196 }{ 100}}=\frac{\sqrt{196}}{\sqrt{100}}=\frac{14}{10}=\frac{7}{5}\)
Oefeningengenerator vanhoeckes.be/wiskunde 2022-06-27 07:37:45