Rekenen met wortels (reeks 4)

Hoofdmenu Eentje per keer 

Reken uit

  1. \(\sqrt{ 225 - 144}\)
  2. \(\sqrt{ 25 } - \sqrt{ 9 }\)
  3. \(\sqrt{ 9 + 16}\)
  4. \(\sqrt{ 25 - 16}\)
  5. \(\sqrt{ 36 + 64}\)
  6. \(\sqrt{ 25 - 9}\)
  7. \(\sqrt{ 81 } + \sqrt{ 144 }\)
  8. \(\sqrt{ 25 + 144}\)
  9. \(\sqrt{ 81 + 144}\)
  10. \(\sqrt{ 169 } - \sqrt{ 144 }\)
  11. \(\sqrt{ 100 - 36}\)
  12. \(\sqrt{ 100 } - \sqrt{ 64 }\)

Reken uit

Verbetersleutel

  1. \(\sqrt{ 225 - 144}=\sqrt{81} = 9\)
  2. \(\sqrt{ 25 } - \sqrt{ 9 }=5-3=2\)
  3. \(\sqrt{ 9 + 16}=\sqrt{25} = 5\)
  4. \(\sqrt{ 25 - 16}=\sqrt{9} = 3\)
  5. \(\sqrt{ 36 + 64}=\sqrt{100} = 10\)
  6. \(\sqrt{ 25 - 9}=\sqrt{16} = 4\)
  7. \(\sqrt{ 81 } + \sqrt{ 144 }=9+12=21\)
  8. \(\sqrt{ 25 + 144}=\sqrt{169} = 13\)
  9. \(\sqrt{ 81 + 144}=\sqrt{225} = 15\)
  10. \(\sqrt{ 169 } - \sqrt{ 144 }=13-12=1\)
  11. \(\sqrt{ 100 - 36}=\sqrt{64} = 8\)
  12. \(\sqrt{ 100 } - \sqrt{ 64 }=10-8=2\)
Oefeningengenerator vanhoeckes.be/wiskunde 2022-06-27 08:16:41