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1m2 = 100dm2 = 10000cm2 = 1000000 mm2
1km2 = 100ha = 1000000 m2
5m2 = 0,0005 hm2 = 0,0005 ha
6,8km2 = 680ha
7ha = 0,07 km2
![](https://rs.olm.vn/images/avt/0.png?1311)
5 m2 5 dm2 = 5,05 m2
7 m2 63 cm2 = 7,0063 m2
1983 cm2 = 0,1983 m2
500 m2 = 0,05 ha
19 ha = 0,19 km2
23 ha = 0,23 km2
0,235 km2 = 23,5 ha
0,001 km2 = 1 ha
0,058 km2 = 58 ha
![](https://rs.olm.vn/images/avt/0.png?1311)
9 dam2 = 900m2
18m2= 1800dm2
17km2 = 170000 dam2
5m2 7dm2= 50700cm2
4km2 107dam2= 40107dam2
2/5km2= 400000 m2
480000cm2= 48m2
1800000mm2= 180 dm2
9000000m2= 9 km2
46000cm2= 4 m2 60 dm2
907000dam2= 90 km2 7000 dam2
3 4/5km2= 3 km2 8 hm2
9 dam2 = 900m2
18m2= 1800dm2
17km2 = 170000 dam2
5m2 7dm2= 50700cm2
4km2 107dam2= 40107dam2
2/5km2= 400000 m2
480000cm2= 48m2
1800000mm2= 180 dm2
9000000m2= 9 km2
46000cm2= 4 m2 60 dm2
907000dam2= 90 km2 7000 dam2
3 4/5km2= 3 km2 8 hm2
![](https://rs.olm.vn/images/avt/0.png?1311)
) 9km 78m = 9078 m b) 5m2 64dm2 = 564 dm2
c. 5kg 23 g = 5,023kg d) 231ha = 2,31 km2
![](https://rs.olm.vn/images/avt/0.png?1311)
a) \(5m25cm=525cm\)
\(11g=\dfrac{11}{1000}kg\)
\(3256m=3km256m\)
\(7365g=7kg365g\)
\(2cm^2=200mm^2\)
b) \(3m^2495cm^2=30495cm^2\)
\(15000hm^2=150km^2\)
\(35160m^2=3hm^25160m^2\)
\(5m^26dm^2=506dm^2\)