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

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Verbetersleutel

1. \(\sqrt{ 100 } - \sqrt{ 36 }=10-6=4\)
2. \(\sqrt{ 225 - 144}=\sqrt{81} = 9\)
3. \(\sqrt{ 81 + 144}=\sqrt{225} = 15\)
4. \(\sqrt{ 9 + 16}=\sqrt{25} = 5\)
5. \(\sqrt{ 169 } - \sqrt{ 144 }=13-12=1\)
6. \(\sqrt{ 169 - 144}=\sqrt{25} = 5\)
7. \(\sqrt{ 225 } - \sqrt{ 144 }=15-12=3\)
8. \(\sqrt{ 169 - 25}=\sqrt{144} = 12\)
9. \(\sqrt{ 25 - 9}=\sqrt{16} = 4\)
10. \(\sqrt{ 25 + 144}=\sqrt{169} = 13\)
11. \(\sqrt{ 9 } + \sqrt{ 16 }=3+4=7\)
12. \(\sqrt{ 25 } + \sqrt{ 144 }=5+12=17\)