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a) 4 m2 = 40000 cm2 m2 = 50dm2
16 m2 = 1600 dm2 dm2 = 50 cm2
308 dm2 = 30800cm2 m2 = 100 cm2
b) 700 cm2 = 7 dm2 15 m2 9 dm2 = 1509 dm2
3400 dm2 = 34 m2 7 dm2 25 cm2 = 725 cm2
50 000 cm2 = 5 m2 28 m2 50 cm2 = 280050 cm2
c) 948 dm2 = 9 m2 48 dm2 8791 dm2 = 87 m2 91 dm2
705 cm2 = 7 dm2 5cm2 30 045 cm2 = 3 m2 45 cm2
![](https://rs.olm.vn/images/avt/0.png?1311)
d) 100cm2 = 1 dm2
700cm2 = 7 dm2
1500cm2= 15dm2
100dm2 = 1m2
400dm2 = 4 m2
1200dm2= 12 m2
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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 + :))) + ~~~
![](https://rs.olm.vn/images/avt/0.png?1311)
\(8791dm^2=87m^291dm^2\)
\(18dm^25cm^2=1805cm^2\)
\(5308dm^2=53m^28dm^2\)
\(4dm^2=400cm^2\)
\(3m^26dm^2=306dm^2\)
8791dm2=87m291dm28791dm2=87m291dm2
18dm25cm2=1805cm218dm25cm2=1805cm2
5308dm2=53m28dm25308dm2=53m28dm2
4dm2=400cm24dm2=400cm2
3m26dm2=306dm
![](https://rs.olm.vn/images/avt/0.png?1311)
b) 500cm2 = 5dm2 1cm2 =dm2
1300dm2 =13m2 1dm2 =m2
60000cm2 = 6m2 1cm2 =m2
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 15m2 = 150000cm2 m2 = 10dm2
103m2 = 10300dm2 dm2 = 10cm2
2110dm2 = 211000cm2 m2 = 1000cm2
![](https://rs.olm.vn/images/avt/0.png?1311)
1 m 2 = 100 d m 2 1 k m 2 = 1000000 m 2
1 m 2 = 10000 c m 2 1 d m 2 = 100 c m 2
![](https://rs.olm.vn/images/avt/0.png?1311)
1m2 = 100 dm2
400 dm2 = 4 m2
100dm2 = 1 m2
2110 m2 = 211000 dm2
1m2 = 10000 cm2
15m2 = 150 000cm2
10 000 cm2 = 1 m2
1dm22cm2 = 1002 cm2