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a. 8dm 7 mm = 807 mm
b. 450 phút = 7,5 giờ
c. 60000 m 2 = 6 ha
d. 7,1 tấn = 7100kg
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\(\frac{3}{10}\)ha=..3000..m2
\(\frac{1}{5}\)ha=...2000..m2
60000m2=.....6...ha
67000ha =..670.....km2
\(\frac{3}{10}\) km2 =...30...ha
\(\frac{2}{5}\) km2=....40...ha
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a) 4ha=40000m2
4500mm2 = 45cm2
6cm2 25mm2 = 625mm2
60000m2 = 6ha
84800m2 = 8ha 4800m2
2ha 350m2 = 20350m2
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8km 25m = ..8,025.......km 17 560mm = .....17.........m.............560.........mm
5tấn 57kg =........5,027........kg 12048 kg=........12.......tấn............48............kg
12,45 tấn=.....12450.....kg 9ha 125mvuông =............9,0125.....ha
8km 25m = ..8,025..km 17 560mm = ..17...m..560....mm
5tấn 57kg =.....5057...kg 12048 kg=..12..tấn....48....kg
12,45 tấn=...12450..kg 9ha 125m2 =.....9,0125..ha
sos
807 mm
45400 m2
6 ha
71000 kg
-.-
Tick mik