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1. \(\)Hoeveel uren passen er in 900 minuten?\(\)
2. \(\)Hoeveel uren passen er in 4380 minuten?\(\)
3. \(\)Hoeveel seconden passen er in 18 minuten? \(\)
4. \(\)Hoeveel uren passen er in 1200 minuten?\(\)
5. \(\)Hoeveel minuten passen er in 59 uren? \(\)
6. \(\)Hoeveel seconden passen er in 37 minuten? \(\)
7. \(\)Hoeveel minuten passen er in 4980 seconden?\(\)
8. \(\)Hoeveel seconden passen er in 42 minuten? \(\)
9. \(\)Hoeveel uren passen er in 90000 seconden?\(\)
10. \(\)Hoeveel minuten passen er in 4860 seconden?\(\)
11. \(\)Hoeveel minuten passen er in 600 seconden?\(\)
12. \(\)Hoeveel seconden passen er in 56 minuten? \(\)

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Verbetersleutel

1. \(900 \text{ minuten}\\=900:60\text{ uren}\\=15\text{ uren}\)
2. \(4380 \text{ minuten}\\=4380:60\text{ uren}\\=73\text{ uren}\)
3. \(18 \text{ minuten}\\=18\times60\text{ seconden}\\=1080\text{ seconden}\)
4. \(1200 \text{ minuten}\\=1200:60\text{ uren}\\=20\text{ uren}\)
5. \(59 \text{ uren}\\=59\times60\text{ minuten}\\=3540\text{ minuten}\)
6. \(37 \text{ minuten}\\=37\times60\text{ seconden}\\=2220\text{ seconden}\)
7. \(4980 \text{ seconden}\\=4980:60\text{ minuten}\\=83\text{ minuten}\)
8. \(42 \text{ minuten}\\=42\times60\text{ seconden}\\=2520\text{ seconden}\)
9. \(90000 \text{ seconden}\\=90000:3600\text{ uren}\\=25\text{ uren}\)
10. \(4860 \text{ seconden}\\=4860:60\text{ minuten}\\=81\text{ minuten}\)
11. \(600 \text{ seconden}\\=600:60\text{ minuten}\\=10\text{ minuten}\)
12. \(56 \text{ minuten}\\=56\times60\text{ seconden}\\=3360\text{ seconden}\)