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1. \(\)Hoeveel uren passen er in 480 minuten?\(\)
2. \(\)Hoeveel seconden passen er in 30 uren? \(\)
3. \(\)Hoeveel uren passen er in 183600 seconden?\(\)
4. \(\)Hoeveel minuten passen er in 180 seconden?\(\)
5. \(\)Hoeveel seconden passen er in 17 minuten? \(\)
6. \(\)Hoeveel uren passen er in 273600 seconden?\(\)
7. \(\)Hoeveel uren passen er in 93600 seconden?\(\)
8. \(\)Hoeveel seconden passen er in 67 minuten? \(\)
9. \(\)Hoeveel seconden passen er in 29 minuten? \(\)
10. \(\)Hoeveel minuten passen er in 2700 seconden?\(\)
11. \(\)Hoeveel uren passen er in 14400 seconden?\(\)
12. \(\)Hoeveel minuten passen er in 1020 seconden?\(\)

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Verbetersleutel

1. \(480 \text{ minuten}\\=480:60\text{ uren}\\=8\text{ uren}\)
2. \(30 \text{ uren}\\=30\times3600\text{ seconden}\\=108000\text{ seconden}\)
3. \(183600 \text{ seconden}\\=183600:3600\text{ uren}\\=51\text{ uren}\)
4. \(180 \text{ seconden}\\=180:60\text{ minuten}\\=3\text{ minuten}\)
5. \(17 \text{ minuten}\\=17\times60\text{ seconden}\\=1020\text{ seconden}\)
6. \(273600 \text{ seconden}\\=273600:3600\text{ uren}\\=76\text{ uren}\)
7. \(93600 \text{ seconden}\\=93600:3600\text{ uren}\\=26\text{ uren}\)
8. \(67 \text{ minuten}\\=67\times60\text{ seconden}\\=4020\text{ seconden}\)
9. \(29 \text{ minuten}\\=29\times60\text{ seconden}\\=1740\text{ seconden}\)
10. \(2700 \text{ seconden}\\=2700:60\text{ minuten}\\=45\text{ minuten}\)
11. \(14400 \text{ seconden}\\=14400:3600\text{ uren}\\=4\text{ uren}\)
12. \(1020 \text{ seconden}\\=1020:60\text{ minuten}\\=17\text{ minuten}\)