Tijd (reeks 4)

Hoofdmenu Eentje per keer  🖨

Reken uit

1. \(\)Hoeveel seconden passen er in 42 uren? \(\)
2. \(\)Hoeveel minuten passen er in 30 uren? \(\)
3. \(\)Hoeveel seconden passen er in 18 minuten? \(\)
4. \(\)Hoeveel minuten passen er in 720 seconden?\(\)
5. \(\)Hoeveel minuten passen er in 3900 seconden?\(\)
6. \(\)Hoeveel seconden passen er in 38 minuten? \(\)
7. \(\)Hoeveel seconden passen er in 96 minuten? \(\)
8. \(\)Hoeveel seconden passen er in 46 minuten? \(\)
9. \(\)Hoeveel uren passen er in 349200 seconden?\(\)
10. \(\)Hoeveel uren passen er in 165600 seconden?\(\)
11. \(\)Hoeveel minuten passen er in 3600 seconden?\(\)
12. \(\)Hoeveel minuten passen er in 3780 seconden?\(\)

---

Reken uit

Verbetersleutel

1. \(42 \text{ uren}\\=42\times3600\text{ seconden}\\=151200\text{ seconden}\)
2. \(30 \text{ uren}\\=30\times60\text{ minuten}\\=1800\text{ minuten}\)
3. \(18 \text{ minuten}\\=18\times60\text{ seconden}\\=1080\text{ seconden}\)
4. \(720 \text{ seconden}\\=720:60\text{ minuten}\\=12\text{ minuten}\)
5. \(3900 \text{ seconden}\\=3900:60\text{ minuten}\\=65\text{ minuten}\)
6. \(38 \text{ minuten}\\=38\times60\text{ seconden}\\=2280\text{ seconden}\)
7. \(96 \text{ minuten}\\=96\times60\text{ seconden}\\=5760\text{ seconden}\)
8. \(46 \text{ minuten}\\=46\times60\text{ seconden}\\=2760\text{ seconden}\)
9. \(349200 \text{ seconden}\\=349200:3600\text{ uren}\\=97\text{ uren}\)
10. \(165600 \text{ seconden}\\=165600:3600\text{ uren}\\=46\text{ uren}\)
11. \(3600 \text{ seconden}\\=3600:60\text{ minuten}\\=60\text{ minuten}\)
12. \(3780 \text{ seconden}\\=3780:60\text{ minuten}\\=63\text{ minuten}\)