Rekenen met wortels (reeks 2)

Hoofdmenu Eentje per keer  🖨

Reken uit

1. \(\sqrt{0,0121}\)
2. \(\sqrt{0,09}\)
3. \(\sqrt{0,16}\)
4. \(\sqrt{1,21}\)
5. \(\sqrt{0,0289}\)
6. \(\sqrt{0,0009}\)
7. \(\sqrt{0,0025}\)
8. \(\sqrt{2,25}\)
9. \(\sqrt{0,0144}\)
10. \(\sqrt{0,64}\)
11. \(\sqrt{1,69}\)
12. \(\sqrt{0,49}\)

---

Reken uit

Verbetersleutel

1. \(\sqrt{0,0121}=\sqrt{\frac{121 }{ 10000}}=\frac{\sqrt{121}}{\sqrt{10000}}=\frac{11}{100}=\frac{11}{100}\)
2. \(\sqrt{0,09}=\sqrt{\frac{9 }{ 100}}=\frac{\sqrt{9}}{\sqrt{100}}=\frac{3}{10}=\frac{3}{10}\)
3. \(\sqrt{0,16}=\sqrt{\frac{16 }{ 100}}=\frac{\sqrt{16}}{\sqrt{100}}=\frac{4}{10}=\frac{2}{5}\)
4. \(\sqrt{1,21}=\sqrt{\frac{121 }{ 100}}=\frac{\sqrt{121}}{\sqrt{100}}=\frac{11}{10}=\frac{11}{10}\)
5. \(\sqrt{0,0289}=\sqrt{\frac{289 }{ 10000}}=\frac{\sqrt{289}}{\sqrt{10000}}=\frac{17}{100}=\frac{17}{100}\)
6. \(\sqrt{0,0009}=\sqrt{\frac{9 }{ 10000}}=\frac{\sqrt{9}}{\sqrt{10000}}=\frac{3}{100}=\frac{3}{100}\)
7. \(\sqrt{0,0025}=\sqrt{\frac{25 }{ 10000}}=\frac{\sqrt{25}}{\sqrt{10000}}=\frac{5}{100}=\frac{1}{20}\)
8. \(\sqrt{2,25}=\sqrt{\frac{225 }{ 100}}=\frac{\sqrt{225}}{\sqrt{100}}=\frac{15}{10}=\frac{3}{2}\)
9. \(\sqrt{0,0144}=\sqrt{\frac{144 }{ 10000}}=\frac{\sqrt{144}}{\sqrt{10000}}=\frac{12}{100}=\frac{3}{25}\)
10. \(\sqrt{0,64}=\sqrt{\frac{64 }{ 100}}=\frac{\sqrt{64}}{\sqrt{100}}=\frac{8}{10}=\frac{4}{5}\)
11. \(\sqrt{1,69}=\sqrt{\frac{169 }{ 100}}=\frac{\sqrt{169}}{\sqrt{100}}=\frac{13}{10}=\frac{13}{10}\)
12. \(\sqrt{0,49}=\sqrt{\frac{49 }{ 100}}=\frac{\sqrt{49}}{\sqrt{100}}=\frac{7}{10}=\frac{7}{10}\)