Rekenen met wortels (reeks 2)

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1. \(\sqrt{0{,}0004}\)
2. \(\sqrt{1{,}69}\)
3. \(\sqrt{0{,}04}\)
4. \(\sqrt{0{,}0121}\)
5. \(\sqrt{0{,}0196}\)
6. \(\sqrt{3{,}24}\)
7. \(\sqrt{0{,}0064}\)
8. \(\sqrt{1{,}96}\)
9. \(\sqrt{0{,}49}\)
10. \(\sqrt{2{,}25}\)
11. \(\sqrt{0{,}0324}\)
12. \(\sqrt{0{,}0169}\)

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Verbetersleutel

1. \(\sqrt{0{,}0004}=\sqrt{\frac{4 }{ 10000}}=\frac{\sqrt{4}}{\sqrt{10000}}=\frac{2}{100}=\frac{1}{50}\)
2. \(\sqrt{1{,}69}=\sqrt{\frac{169 }{ 100}}=\frac{\sqrt{169}}{\sqrt{100}}=\frac{13}{10}=\frac{13}{10}\)
3. \(\sqrt{0{,}04}=\sqrt{\frac{4 }{ 100}}=\frac{\sqrt{4}}{\sqrt{100}}=\frac{2}{10}=\frac{1}{5}\)
4. \(\sqrt{0{,}0121}=\sqrt{\frac{121 }{ 10000}}=\frac{\sqrt{121}}{\sqrt{10000}}=\frac{11}{100}=\frac{11}{100}\)
5. \(\sqrt{0{,}0196}=\sqrt{\frac{196 }{ 10000}}=\frac{\sqrt{196}}{\sqrt{10000}}=\frac{14}{100}=\frac{7}{50}\)
6. \(\sqrt{3{,}24}=\sqrt{\frac{324 }{ 100}}=\frac{\sqrt{324}}{\sqrt{100}}=\frac{18}{10}=\frac{9}{5}\)
7. \(\sqrt{0{,}0064}=\sqrt{\frac{64 }{ 10000}}=\frac{\sqrt{64}}{\sqrt{10000}}=\frac{8}{100}=\frac{2}{25}\)
8. \(\sqrt{1{,}96}=\sqrt{\frac{196 }{ 100}}=\frac{\sqrt{196}}{\sqrt{100}}=\frac{14}{10}=\frac{7}{5}\)
9. \(\sqrt{0{,}49}=\sqrt{\frac{49 }{ 100}}=\frac{\sqrt{49}}{\sqrt{100}}=\frac{7}{10}=\frac{7}{10}\)
10. \(\sqrt{2{,}25}=\sqrt{\frac{225 }{ 100}}=\frac{\sqrt{225}}{\sqrt{100}}=\frac{15}{10}=\frac{3}{2}\)
11. \(\sqrt{0{,}0324}=\sqrt{\frac{324 }{ 10000}}=\frac{\sqrt{324}}{\sqrt{10000}}=\frac{18}{100}=\frac{9}{50}\)
12. \(\sqrt{0{,}0169}=\sqrt{\frac{169 }{ 10000}}=\frac{\sqrt{169}}{\sqrt{10000}}=\frac{13}{100}=\frac{13}{100}\)