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1. \(\)Hoeveel minuten passen er in 840 seconden?\(\)
2. \(\)Hoeveel uren passen er in 338400 seconden?\(\)
3. \(\)Hoeveel seconden passen er in 35 minuten? \(\)
4. \(\)Hoeveel seconden passen er in 92 uren? \(\)
5. \(\)Hoeveel minuten passen er in 94 uren? \(\)
6. \(\)Hoeveel minuten passen er in 52 uren? \(\)
7. \(\)Hoeveel minuten passen er in 780 seconden?\(\)
8. \(\)Hoeveel minuten passen er in 4440 seconden?\(\)
9. \(\)Hoeveel seconden passen er in 44 minuten? \(\)
10. \(\)Hoeveel seconden passen er in 69 uren? \(\)
11. \(\)Hoeveel minuten passen er in 480 seconden?\(\)
12. \(\)Hoeveel minuten passen er in 61 uren? \(\)

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Verbetersleutel

1. \(840 \text{ seconden}\\=840:60\text{ minuten}\\=14\text{ minuten}\)
2. \(338400 \text{ seconden}\\=338400:3600\text{ uren}\\=94\text{ uren}\)
3. \(35 \text{ minuten}\\=35\times60\text{ seconden}\\=2100\text{ seconden}\)
4. \(92 \text{ uren}\\=92\times3600\text{ seconden}\\=331200\text{ seconden}\)
5. \(94 \text{ uren}\\=94\times60\text{ minuten}\\=5640\text{ minuten}\)
6. \(52 \text{ uren}\\=52\times60\text{ minuten}\\=3120\text{ minuten}\)
7. \(780 \text{ seconden}\\=780:60\text{ minuten}\\=13\text{ minuten}\)
8. \(4440 \text{ seconden}\\=4440:60\text{ minuten}\\=74\text{ minuten}\)
9. \(44 \text{ minuten}\\=44\times60\text{ seconden}\\=2640\text{ seconden}\)
10. \(69 \text{ uren}\\=69\times3600\text{ seconden}\\=248400\text{ seconden}\)
11. \(480 \text{ seconden}\\=480:60\text{ minuten}\\=8\text{ minuten}\)
12. \(61 \text{ uren}\\=61\times60\text{ minuten}\\=3660\text{ minuten}\)