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1. \(\)Zet 221 mm² om in dm²\(\)
2. \(\)Zet 110 hm² om in km²\(\)
3. \(\)Zet 106 hm² om in dm²\(\)
4. \(\)Zet 227 m² om in dm²\(\)
5. \(\)Zet 77 cm² om in mm²\(\)
6. \(\)Zet 199 dam² om in m²\(\)
7. \(\)Zet 280 mm² om in cm²\(\)
8. \(\)Zet 395 km² om in hm²\(\)
9. \(\)Zet 282 dm² om in m²\(\)
10. \(\)Zet 200 km² om in m²\(\)
11. \(\)Zet 186 dm² om in dam²\(\)
12. \(\)Zet 93 cm² om in m²\(\)

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Verbetersleutel

1. \(221 \text{ }mm²=0{,}0221\text{ }dm²\)
2. \(110 \text{ }hm²=1{,}1\text{ }km²\)
3. \(106 \text{ }hm²=106000000\text{ }dm²\)
4. \(227 \text{ }m²=22700\text{ }dm²\)
5. \(77 \text{ }cm²=7700\text{ }mm²\)
6. \(199 \text{ }dam²=19900\text{ }m²\)
7. \(280 \text{ }mm²=2{,}8\text{ }cm²\)
8. \(395 \text{ }km²=39500\text{ }hm²\)
9. \(282 \text{ }dm²=2{,}82\text{ }m²\)
10. \(200 \text{ }km²=200000000\text{ }m²\)
11. \(186 \text{ }dm²=0{,}0186\text{ }dam²\)
12. \(93 \text{ }cm²=0{,}0093\text{ }m²\)