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1. \(\)Zet 277 dm² om in m²\(\)
2. \(\)Zet 390 hm² om in dam²\(\)
3. \(\)Zet 211 m² om in dam²\(\)
4. \(\)Zet 285 cm² om in dm²\(\)
5. \(\)Zet 62 km² om in dam²\(\)
6. \(\)Zet 16 cm² om in m²\(\)
7. \(\)Zet 117 dam² om in m²\(\)
8. \(\)Zet 91 mm² om in dm²\(\)
9. \(\)Zet 208 km² om in m²\(\)
10. \(\)Zet 254 hm² om in m²\(\)
11. \(\)Zet 217 mm² om in dm²\(\)
12. \(\)Zet 52 m² om in mm²\(\)

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Verbetersleutel

1. \(277 \text{ }dm²=2{,}77\text{ }m²\)
2. \(390 \text{ }hm²=39000\text{ }dam²\)
3. \(211 \text{ }m²=2{,}11\text{ }dam²\)
4. \(285 \text{ }cm²=2{,}85\text{ }dm²\)
5. \(62 \text{ }km²=620000\text{ }dam²\)
6. \(16 \text{ }cm²=0{,}0016\text{ }m²\)
7. \(117 \text{ }dam²=11700\text{ }m²\)
8. \(91 \text{ }mm²=0{,}0091\text{ }dm²\)
9. \(208 \text{ }km²=208000000\text{ }m²\)
10. \(254 \text{ }hm²=2540000\text{ }m²\)
11. \(217 \text{ }mm²=0{,}0217\text{ }dm²\)
12. \(52 \text{ }m²=52000000\text{ }mm²\)