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1. \(\)Hoeveel minuten passen er in 6000 seconden?\(\)
2. \(\)Hoeveel seconden passen er in 77 minuten? \(\)
3. \(\)Hoeveel seconden passen er in 27 minuten? \(\)
4. \(\)Hoeveel seconden passen er in 64 minuten? \(\)
5. \(\)Hoeveel uren passen er in 342000 seconden?\(\)
6. \(\)Hoeveel seconden passen er in 86 minuten? \(\)
7. \(\)Hoeveel uren passen er in 144000 seconden?\(\)
8. \(\)Hoeveel seconden passen er in 46 minuten? \(\)
9. \(\)Hoeveel uren passen er in 338400 seconden?\(\)
10. \(\)Hoeveel seconden passen er in 7 minuten? \(\)
11. \(\)Hoeveel seconden passen er in 30 minuten? \(\)
12. \(\)Hoeveel seconden passen er in 79 uren? \(\)

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Verbetersleutel

1. \(6000 \text{ seconden}\\=6000:60\text{ minuten}\\=100\text{ minuten}\)
2. \(77 \text{ minuten}\\=77\times60\text{ seconden}\\=4620\text{ seconden}\)
3. \(27 \text{ minuten}\\=27\times60\text{ seconden}\\=1620\text{ seconden}\)
4. \(64 \text{ minuten}\\=64\times60\text{ seconden}\\=3840\text{ seconden}\)
5. \(342000 \text{ seconden}\\=342000:3600\text{ uren}\\=95\text{ uren}\)
6. \(86 \text{ minuten}\\=86\times60\text{ seconden}\\=5160\text{ seconden}\)
7. \(144000 \text{ seconden}\\=144000:3600\text{ uren}\\=40\text{ uren}\)
8. \(46 \text{ minuten}\\=46\times60\text{ seconden}\\=2760\text{ seconden}\)
9. \(338400 \text{ seconden}\\=338400:3600\text{ uren}\\=94\text{ uren}\)
10. \(7 \text{ minuten}\\=7\times60\text{ seconden}\\=420\text{ seconden}\)
11. \(30 \text{ minuten}\\=30\times60\text{ seconden}\\=1800\text{ seconden}\)
12. \(79 \text{ uren}\\=79\times3600\text{ seconden}\\=284400\text{ seconden}\)