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1. \(\)Hoeveel minuten passen er in 48 uren? \(\)
2. \(\)Hoeveel minuten passen er in 1920 seconden?\(\)
3. \(\)Hoeveel seconden passen er in 5 minuten? \(\)
4. \(\)Hoeveel uren passen er in 61200 seconden?\(\)
5. \(\)Hoeveel seconden passen er in 46 minuten? \(\)
6. \(\)Hoeveel seconden passen er in 59 uren? \(\)
7. \(\)Hoeveel seconden passen er in 21 uren? \(\)
8. \(\)Hoeveel uren passen er in 5880 minuten?\(\)
9. \(\)Hoeveel seconden passen er in 15 uren? \(\)
10. \(\)Hoeveel uren passen er in 136800 seconden?\(\)
11. \(\)Hoeveel seconden passen er in 22 minuten? \(\)
12. \(\)Hoeveel seconden passen er in 62 minuten? \(\)

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Verbetersleutel

1. \(48 \text{ uren}\\=48\times60\text{ minuten}\\=2880\text{ minuten}\)
2. \(1920 \text{ seconden}\\=1920:60\text{ minuten}\\=32\text{ minuten}\)
3. \(5 \text{ minuten}\\=5\times60\text{ seconden}\\=300\text{ seconden}\)
4. \(61200 \text{ seconden}\\=61200:3600\text{ uren}\\=17\text{ uren}\)
5. \(46 \text{ minuten}\\=46\times60\text{ seconden}\\=2760\text{ seconden}\)
6. \(59 \text{ uren}\\=59\times3600\text{ seconden}\\=212400\text{ seconden}\)
7. \(21 \text{ uren}\\=21\times3600\text{ seconden}\\=75600\text{ seconden}\)
8. \(5880 \text{ minuten}\\=5880:60\text{ uren}\\=98\text{ uren}\)
9. \(15 \text{ uren}\\=15\times3600\text{ seconden}\\=54000\text{ seconden}\)
10. \(136800 \text{ seconden}\\=136800:3600\text{ uren}\\=38\text{ uren}\)
11. \(22 \text{ minuten}\\=22\times60\text{ seconden}\\=1320\text{ seconden}\)
12. \(62 \text{ minuten}\\=62\times60\text{ seconden}\\=3720\text{ seconden}\)