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1. \(\)Hoeveel seconden passen er in 41 minuten? \(\)
2. \(\)Hoeveel minuten passen er in 58 uren? \(\)
3. \(\)Hoeveel seconden passen er in 40 uren? \(\)
4. \(\)Hoeveel minuten passen er in 5820 seconden?\(\)
5. \(\)Hoeveel uren passen er in 234000 seconden?\(\)
6. \(\)Hoeveel seconden passen er in 83 minuten? \(\)
7. \(\)Hoeveel uren passen er in 140400 seconden?\(\)
8. \(\)Hoeveel seconden passen er in 85 minuten? \(\)
9. \(\)Hoeveel minuten passen er in 720 seconden?\(\)
10. \(\)Hoeveel minuten passen er in 5460 seconden?\(\)
11. \(\)Hoeveel seconden passen er in 32 uren? \(\)
12. \(\)Hoeveel minuten passen er in 1920 seconden?\(\)

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Verbetersleutel

1. \(41 \text{ minuten}\\=41\times60\text{ seconden}\\=2460\text{ seconden}\)
2. \(58 \text{ uren}\\=58\times60\text{ minuten}\\=3480\text{ minuten}\)
3. \(40 \text{ uren}\\=40\times3600\text{ seconden}\\=144000\text{ seconden}\)
4. \(5820 \text{ seconden}\\=5820:60\text{ minuten}\\=97\text{ minuten}\)
5. \(234000 \text{ seconden}\\=234000:3600\text{ uren}\\=65\text{ uren}\)
6. \(83 \text{ minuten}\\=83\times60\text{ seconden}\\=4980\text{ seconden}\)
7. \(140400 \text{ seconden}\\=140400:3600\text{ uren}\\=39\text{ uren}\)
8. \(85 \text{ minuten}\\=85\times60\text{ seconden}\\=5100\text{ seconden}\)
9. \(720 \text{ seconden}\\=720:60\text{ minuten}\\=12\text{ minuten}\)
10. \(5460 \text{ seconden}\\=5460:60\text{ minuten}\\=91\text{ minuten}\)
11. \(32 \text{ uren}\\=32\times3600\text{ seconden}\\=115200\text{ seconden}\)
12. \(1920 \text{ seconden}\\=1920:60\text{ minuten}\\=32\text{ minuten}\)