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1. \(\)Hoeveel uren passen er in 237600 seconden?\(\)
2. \(\)Hoeveel minuten passen er in 4740 seconden?\(\)
3. \(\)Hoeveel minuten passen er in 4680 seconden?\(\)
4. \(\)Hoeveel uren passen er in 4980 minuten?\(\)
5. \(\)Hoeveel uren passen er in 32400 seconden?\(\)
6. \(\)Hoeveel seconden passen er in 26 minuten? \(\)
7. \(\)Hoeveel minuten passen er in 91 uren? \(\)
8. \(\)Hoeveel seconden passen er in 60 minuten? \(\)
9. \(\)Hoeveel seconden passen er in 15 minuten? \(\)
10. \(\)Hoeveel minuten passen er in 3060 seconden?\(\)
11. \(\)Hoeveel minuten passen er in 97 uren? \(\)
12. \(\)Hoeveel seconden passen er in 83 uren? \(\)

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Verbetersleutel

1. \(237600 \text{ seconden}\\=237600:3600\text{ uren}\\=66\text{ uren}\)
2. \(4740 \text{ seconden}\\=4740:60\text{ minuten}\\=79\text{ minuten}\)
3. \(4680 \text{ seconden}\\=4680:60\text{ minuten}\\=78\text{ minuten}\)
4. \(4980 \text{ minuten}\\=4980:60\text{ uren}\\=83\text{ uren}\)
5. \(32400 \text{ seconden}\\=32400:3600\text{ uren}\\=9\text{ uren}\)
6. \(26 \text{ minuten}\\=26\times60\text{ seconden}\\=1560\text{ seconden}\)
7. \(91 \text{ uren}\\=91\times60\text{ minuten}\\=5460\text{ minuten}\)
8. \(60 \text{ minuten}\\=60\times60\text{ seconden}\\=3600\text{ seconden}\)
9. \(15 \text{ minuten}\\=15\times60\text{ seconden}\\=900\text{ seconden}\)
10. \(3060 \text{ seconden}\\=3060:60\text{ minuten}\\=51\text{ minuten}\)
11. \(97 \text{ uren}\\=97\times60\text{ minuten}\\=5820\text{ minuten}\)
12. \(83 \text{ uren}\\=83\times3600\text{ seconden}\\=298800\text{ seconden}\)