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1. \(\)Hoeveel minuten passen er in 3900 seconden?\(\)
2. \(\)Hoeveel uren passen er in 10800 seconden?\(\)
3. \(\)Hoeveel seconden passen er in 74 minuten? \(\)
4. \(\)Hoeveel minuten passen er in 4860 seconden?\(\)
5. \(\)Hoeveel minuten passen er in 94 uren? \(\)
6. \(\)Hoeveel seconden passen er in 52 uren? \(\)
7. \(\)Hoeveel seconden passen er in 48 uren? \(\)
8. \(\)Hoeveel minuten passen er in 17 uren? \(\)
9. \(\)Hoeveel seconden passen er in 73 minuten? \(\)
10. \(\)Hoeveel seconden passen er in 50 minuten? \(\)
11. \(\)Hoeveel uren passen er in 4440 minuten?\(\)
12. \(\)Hoeveel uren passen er in 21600 seconden?\(\)

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Verbetersleutel

1. \(3900 \text{ seconden}\\=3900:60\text{ minuten}\\=65\text{ minuten}\)
2. \(10800 \text{ seconden}\\=10800:3600\text{ uren}\\=3\text{ uren}\)
3. \(74 \text{ minuten}\\=74\times60\text{ seconden}\\=4440\text{ seconden}\)
4. \(4860 \text{ seconden}\\=4860:60\text{ minuten}\\=81\text{ minuten}\)
5. \(94 \text{ uren}\\=94\times60\text{ minuten}\\=5640\text{ minuten}\)
6. \(52 \text{ uren}\\=52\times3600\text{ seconden}\\=187200\text{ seconden}\)
7. \(48 \text{ uren}\\=48\times3600\text{ seconden}\\=172800\text{ seconden}\)
8. \(17 \text{ uren}\\=17\times60\text{ minuten}\\=1020\text{ minuten}\)
9. \(73 \text{ minuten}\\=73\times60\text{ seconden}\\=4380\text{ seconden}\)
10. \(50 \text{ minuten}\\=50\times60\text{ seconden}\\=3000\text{ seconden}\)
11. \(4440 \text{ minuten}\\=4440:60\text{ uren}\\=74\text{ uren}\)
12. \(21600 \text{ seconden}\\=21600:3600\text{ uren}\\=6\text{ uren}\)