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1. \(\)Hoeveel seconden passen er in 62 minuten? \(\)
2. \(\)Hoeveel minuten passen er in 100 uren? \(\)
3. \(\)Hoeveel uren passen er in 4740 minuten?\(\)
4. \(\)Hoeveel minuten passen er in 77 uren? \(\)
5. \(\)Hoeveel seconden passen er in 9 uren? \(\)
6. \(\)Hoeveel uren passen er in 349200 seconden?\(\)
7. \(\)Hoeveel uren passen er in 295200 seconden?\(\)
8. \(\)Hoeveel minuten passen er in 5160 seconden?\(\)
9. \(\)Hoeveel uren passen er in 79200 seconden?\(\)
10. \(\)Hoeveel uren passen er in 255600 seconden?\(\)
11. \(\)Hoeveel seconden passen er in 14 minuten? \(\)
12. \(\)Hoeveel seconden passen er in 12 minuten? \(\)

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Verbetersleutel

1. \(62 \text{ minuten}\\=62\times60\text{ seconden}\\=3720\text{ seconden}\)
2. \(100 \text{ uren}\\=100\times60\text{ minuten}\\=6000\text{ minuten}\)
3. \(4740 \text{ minuten}\\=4740:60\text{ uren}\\=79\text{ uren}\)
4. \(77 \text{ uren}\\=77\times60\text{ minuten}\\=4620\text{ minuten}\)
5. \(9 \text{ uren}\\=9\times3600\text{ seconden}\\=32400\text{ seconden}\)
6. \(349200 \text{ seconden}\\=349200:3600\text{ uren}\\=97\text{ uren}\)
7. \(295200 \text{ seconden}\\=295200:3600\text{ uren}\\=82\text{ uren}\)
8. \(5160 \text{ seconden}\\=5160:60\text{ minuten}\\=86\text{ minuten}\)
9. \(79200 \text{ seconden}\\=79200:3600\text{ uren}\\=22\text{ uren}\)
10. \(255600 \text{ seconden}\\=255600:3600\text{ uren}\\=71\text{ uren}\)
11. \(14 \text{ minuten}\\=14\times60\text{ seconden}\\=840\text{ seconden}\)
12. \(12 \text{ minuten}\\=12\times60\text{ seconden}\\=720\text{ seconden}\)