Oppervlakte (reeks 2)

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Reken uit

1. \(\)Zet 30 dam² om in km²\(\)
2. \(\)Zet 5 dm² om in dam²\(\)
3. \(\)Zet 22 cm² om in mm²\(\)
4. \(\)Zet 398 cm² om in mm²\(\)
5. \(\)Zet 82 km² om in dam²\(\)
6. \(\)Zet 131 km² om in dam²\(\)
7. \(\)Zet 331 m² om in dm²\(\)
8. \(\)Zet 265 km² om in hm²\(\)
9. \(\)Zet 253 km² om in hm²\(\)
10. \(\)Zet 332 mm² om in dm²\(\)
11. \(\)Zet 96 km² om in dam²\(\)
12. \(\)Zet 227 cm² om in m²\(\)

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Reken uit

Verbetersleutel

1. \(30 \text{ }dam²=0{,}003\text{ }km²\)
2. \(5 \text{ }dm²=0{,}0005\text{ }dam²\)
3. \(22 \text{ }cm²=2200\text{ }mm²\)
4. \(398 \text{ }cm²=39800\text{ }mm²\)
5. \(82 \text{ }km²=820000\text{ }dam²\)
6. \(131 \text{ }km²=1310000\text{ }dam²\)
7. \(331 \text{ }m²=33100\text{ }dm²\)
8. \(265 \text{ }km²=26500\text{ }hm²\)
9. \(253 \text{ }km²=25300\text{ }hm²\)
10. \(332 \text{ }mm²=0{,}0332\text{ }dm²\)
11. \(96 \text{ }km²=960000\text{ }dam²\)
12. \(227 \text{ }cm²=0{,}0227\text{ }m²\)