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1. \(\)Hoeveel seconden passen er in 97 minuten? \(\)
2. \(\)Hoeveel minuten passen er in 98 uren? \(\)
3. \(\)Hoeveel seconden passen er in 39 uren? \(\)
4. \(\)Hoeveel uren passen er in 3720 minuten?\(\)
5. \(\)Hoeveel uren passen er in 960 minuten?\(\)
6. \(\)Hoeveel seconden passen er in 55 minuten? \(\)
7. \(\)Hoeveel minuten passen er in 11 uren? \(\)
8. \(\)Hoeveel minuten passen er in 4620 seconden?\(\)
9. \(\)Hoeveel seconden passen er in 95 minuten? \(\)
10. \(\)Hoeveel seconden passen er in 28 minuten? \(\)
11. \(\)Hoeveel uren passen er in 64800 seconden?\(\)
12. \(\)Hoeveel seconden passen er in 88 minuten? \(\)

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Verbetersleutel

1. \(97 \text{ minuten}\\=97\times60\text{ seconden}\\=5820\text{ seconden}\)
2. \(98 \text{ uren}\\=98\times60\text{ minuten}\\=5880\text{ minuten}\)
3. \(39 \text{ uren}\\=39\times3600\text{ seconden}\\=140400\text{ seconden}\)
4. \(3720 \text{ minuten}\\=3720:60\text{ uren}\\=62\text{ uren}\)
5. \(960 \text{ minuten}\\=960:60\text{ uren}\\=16\text{ uren}\)
6. \(55 \text{ minuten}\\=55\times60\text{ seconden}\\=3300\text{ seconden}\)
7. \(11 \text{ uren}\\=11\times60\text{ minuten}\\=660\text{ minuten}\)
8. \(4620 \text{ seconden}\\=4620:60\text{ minuten}\\=77\text{ minuten}\)
9. \(95 \text{ minuten}\\=95\times60\text{ seconden}\\=5700\text{ seconden}\)
10. \(28 \text{ minuten}\\=28\times60\text{ seconden}\\=1680\text{ seconden}\)
11. \(64800 \text{ seconden}\\=64800:3600\text{ uren}\\=18\text{ uren}\)
12. \(88 \text{ minuten}\\=88\times60\text{ seconden}\\=5280\text{ seconden}\)