Tijd (reeks 4)

Hoofdmenu Eentje per keer  🖨

Reken uit

1. \(\)Hoeveel seconden passen er in 67 uren? \(\)
2. \(\)Hoeveel minuten passen er in 1800 seconden?\(\)
3. \(\)Hoeveel minuten passen er in 4080 seconden?\(\)
4. \(\)Hoeveel seconden passen er in 5 uren? \(\)
5. \(\)Hoeveel uren passen er in 5880 minuten?\(\)
6. \(\)Hoeveel minuten passen er in 1080 seconden?\(\)
7. \(\)Hoeveel seconden passen er in 98 minuten? \(\)
8. \(\)Hoeveel seconden passen er in 57 minuten? \(\)
9. \(\)Hoeveel minuten passen er in 3300 seconden?\(\)
10. \(\)Hoeveel uren passen er in 284400 seconden?\(\)
11. \(\)Hoeveel seconden passen er in 60 uren? \(\)
12. \(\)Hoeveel seconden passen er in 20 minuten? \(\)

---

Reken uit

Verbetersleutel

1. \(67 \text{ uren}\\=67\times3600\text{ seconden}\\=241200\text{ seconden}\)
2. \(1800 \text{ seconden}\\=1800:60\text{ minuten}\\=30\text{ minuten}\)
3. \(4080 \text{ seconden}\\=4080:60\text{ minuten}\\=68\text{ minuten}\)
4. \(5 \text{ uren}\\=5\times3600\text{ seconden}\\=18000\text{ seconden}\)
5. \(5880 \text{ minuten}\\=5880:60\text{ uren}\\=98\text{ uren}\)
6. \(1080 \text{ seconden}\\=1080:60\text{ minuten}\\=18\text{ minuten}\)
7. \(98 \text{ minuten}\\=98\times60\text{ seconden}\\=5880\text{ seconden}\)
8. \(57 \text{ minuten}\\=57\times60\text{ seconden}\\=3420\text{ seconden}\)
9. \(3300 \text{ seconden}\\=3300:60\text{ minuten}\\=55\text{ minuten}\)
10. \(284400 \text{ seconden}\\=284400:3600\text{ uren}\\=79\text{ uren}\)
11. \(60 \text{ uren}\\=60\times3600\text{ seconden}\\=216000\text{ seconden}\)
12. \(20 \text{ minuten}\\=20\times60\text{ seconden}\\=1200\text{ seconden}\)