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1. \(\)Zet 224 cm² om in m²\(\)
2. \(\)Zet 317 m² om in cm²\(\)
3. \(\)Zet 140 hm² om in dm²\(\)
4. \(\)Zet 12 dm² om in cm²\(\)
5. \(\)Zet 239 dam² om in m²\(\)
6. \(\)Zet 307 m² om in mm²\(\)
7. \(\)Zet 279 hm² om in m²\(\)
8. \(\)Zet 150 dm² om in cm²\(\)
9. \(\)Zet 390 m² om in dam²\(\)
10. \(\)Zet 22 m² om in mm²\(\)
11. \(\)Zet 35 m² om in hm²\(\)
12. \(\)Zet 204 hm² om in m²\(\)

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Verbetersleutel

1. \(224 \text{ }cm²=0{,}0224\text{ }m²\)
2. \(317 \text{ }m²=3170000\text{ }cm²\)
3. \(140 \text{ }hm²=140000000\text{ }dm²\)
4. \(12 \text{ }dm²=1200\text{ }cm²\)
5. \(239 \text{ }dam²=23900\text{ }m²\)
6. \(307 \text{ }m²=307000000\text{ }mm²\)
7. \(279 \text{ }hm²=2790000\text{ }m²\)
8. \(150 \text{ }dm²=15000\text{ }cm²\)
9. \(390 \text{ }m²=3{,}9\text{ }dam²\)
10. \(22 \text{ }m²=22000000\text{ }mm²\)
11. \(35 \text{ }m²=0{,}0035\text{ }hm²\)
12. \(204 \text{ }hm²=2040000\text{ }m²\)