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1. \(\)Hoeveel minuten passen er in 1020 seconden?\(\)
2. \(\)Hoeveel seconden passen er in 91 minuten? \(\)
3. \(\)Hoeveel seconden passen er in 27 minuten? \(\)
4. \(\)Hoeveel uren passen er in 111600 seconden?\(\)
5. \(\)Hoeveel seconden passen er in 54 minuten? \(\)
6. \(\)Hoeveel uren passen er in 2160 minuten?\(\)
7. \(\)Hoeveel seconden passen er in 37 minuten? \(\)
8. \(\)Hoeveel seconden passen er in 38 minuten? \(\)
9. \(\)Hoeveel minuten passen er in 1440 seconden?\(\)
10. \(\)Hoeveel minuten passen er in 25 uren? \(\)
11. \(\)Hoeveel seconden passen er in 34 minuten? \(\)
12. \(\)Hoeveel minuten passen er in 1740 seconden?\(\)

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Verbetersleutel

1. \(1020 \text{ seconden}\\=1020:60\text{ minuten}\\=17\text{ minuten}\)
2. \(91 \text{ minuten}\\=91\times60\text{ seconden}\\=5460\text{ seconden}\)
3. \(27 \text{ minuten}\\=27\times60\text{ seconden}\\=1620\text{ seconden}\)
4. \(111600 \text{ seconden}\\=111600:3600\text{ uren}\\=31\text{ uren}\)
5. \(54 \text{ minuten}\\=54\times60\text{ seconden}\\=3240\text{ seconden}\)
6. \(2160 \text{ minuten}\\=2160:60\text{ uren}\\=36\text{ uren}\)
7. \(37 \text{ minuten}\\=37\times60\text{ seconden}\\=2220\text{ seconden}\)
8. \(38 \text{ minuten}\\=38\times60\text{ seconden}\\=2280\text{ seconden}\)
9. \(1440 \text{ seconden}\\=1440:60\text{ minuten}\\=24\text{ minuten}\)
10. \(25 \text{ uren}\\=25\times60\text{ minuten}\\=1500\text{ minuten}\)
11. \(34 \text{ minuten}\\=34\times60\text{ seconden}\\=2040\text{ seconden}\)
12. \(1740 \text{ seconden}\\=1740:60\text{ minuten}\\=29\text{ minuten}\)