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3m2 21dm2=...321....dm2
1km2 500000m2=.....1500000..m2
2km2 345m2=....2000345......m2
3m2 21dm2=321dm2
1km2 500000m2=1 500 000m2
2km2 345m2=2 000 345m2
![](https://rs.olm.vn/images/avt/0.png?1311)
3 m2 21 dm2 = 321 dm2 1 m2 2345 cm2 = 12345 cm2
1 km2 500000 m2 = 1500000 m2 2km2 345 m2 = 2000345 m2
1 m2 45 cm2 = 10045 cm2
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\(9km^215m^2=9000015m^2\)
\(6km^29m^2=6000009m^2\)
\(8540396m^2=8km^2540396m^2\)
\(5m^214cm^2=50014cm^2\)
\(5dm^223cm^2=523cm^2\)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
1
4km2 = 4000000 m2 ; 20m2 = 2000 dm2 : 5m2 = 50000 cm2 : 2000000 m2= 2 km2 : 53m2 18m2 = 7100 dm2
ghi đến bài 1 thôi ..đủ liệt rồi
m.n giúp tiếp nhé
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
TL
2km2 235m2 = 2 000 235 m2
5km2 40m2= 5 000 040 m2
3m2 25dm2 = 32 500 cm2
8m2 5dm2 12cm2 = 80 512 cm2
HT
2km2 235m2= 2235m2
5km2 40m2 = 5040m2
3m2 25dm2 = 3250 cm2
8m2 5dm2 12cm2 = 80512 cm2 phải ko bn
![](https://rs.olm.vn/images/avt/0.png?1311)
1 km = 1 000 000 m2 5 000 000 m2 = 5 km2
6 m2 4 dm2 = 604 dm2 21 500 cm2 = 215 dm2
3 km2 40 m2 = 3 000 040 m2 3402 cm2 = 34 dm2 2 cm2
12 m2 4 dm2 = 1204 dm2 10 235 dm2 = 102 m2 35 dm2
HT nha + :))) + ~~~
2km2 123m2= 200000123m2
2km2 123m2 = 2000123m2 12053080m2 = 12 km2 53080 m2