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Bài 16. Các đơn vị đo diện tích
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40 cm2 4 mm2 = ... mm2
40 cm2 4 mm2 = 4 004 mm2
Oops!
Okay!
2 m2 5 dm2 = ...dm2
2 m2 5 dm2 = 205 dm2
Oops!
Okay!
5 km2 = ... ha
5 km2 = 500 ha
Oops!
Okay!
2 500 dm2 = ... m2
2 500 dm2 = 25 m2
Oops!
Okay!
6 dm2 = ... cm2
6 dm2 = 600 cm2
Oops!
Okay!
12 m2 = ... dm2
12 m2 = 1 200 dm2
Oops!
Okay!
600 ha = ... km2
600 ha = 6 km2
Oops!
Okay!
615 dm2 = ... m2 ... dm2
615 dm2 = 6 m2 + 15 dm2
Oops!
Okay!
900 cm2 = ... dm2
900 cm2 = 9 dm2
Oops!
Okay!
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