Rekenen met wortels (reeks 4)

Hoofdmenu Eentje per keer  🖨

Reken uit

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

---

Reken uit

Verbetersleutel

1. \(\sqrt{ 169 - 25}=\sqrt{144} = 12\)
2. \(\sqrt{ 81 } + \sqrt{ 144 }=9+12=21\)
3. \(\sqrt{ 36 } + \sqrt{ 64 }=6+8=14\)
4. \(\sqrt{ 100 - 64}=\sqrt{36} = 6\)
5. \(\sqrt{ 169 - 144}=\sqrt{25} = 5\)
6. \(\sqrt{ 169 } - \sqrt{ 144 }=13-12=1\)
7. \(\sqrt{ 25 + 144}=\sqrt{169} = 13\)
8. \(\sqrt{ 9 + 16}=\sqrt{25} = 5\)
9. \(\sqrt{ 25 } - \sqrt{ 16 }=5-4=1\)
10. \(\sqrt{ 225 - 144}=\sqrt{81} = 9\)
11. \(\sqrt{ 25 - 9}=\sqrt{16} = 4\)
12. \(\sqrt{ 100 } - \sqrt{ 36 }=10-6=4\)