Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
![](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 + :))) + ~~~
![](https://rs.olm.vn/images/avt/0.png?1311)
a. 6 km2 = 6000000 m2
b. 32 m2 25 dm2 = 3225 dm2
c. 408 m2 = 40800 dm2 = 4080000 cm2
d. 4700 cm2 = 47 dm2.
![](https://rs.olm.vn/images/avt/0.png?1311)
\(1m^217cm^2=10017cm^2\)
\(6300dm^2=630000cm^2\)
\(78000dm^2=780m^2\)
\(7km^2=7000000m^2\)
\(20km^2=20000000m^2\)
\(50000000m^2=50km^2\)
![](https://rs.olm.vn/images/avt/0.png?1311)
22m24dm2=..2224.. dm2
3m2 410cm2=...30410. cm2
3428dm2=.34... m2 .28.. dm2
4000109m2=..4.... km2 .109.... m2
19m2 60 cm2=...190060. cm2
62m2 9cm2=...620009.. cm2
22m24dm2=..2224.. dm2
3m2 410cm2=..30410.. cm2
3428dm2=..34.. m2 ..28.. dm2
4000109m2=..4.... km2 .109.... m2
19m2 60 cm2=..190060.. cm2
62m2 9cm2=..620009... cm2
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{2}{8}km^23m^2=0,25km^23m^2=2500030000cm^2\)
\(\frac{2}{5}m^232dm^2=0,4m^232dm^2=7200cm^2\)
\(\frac{3}{8}km^224m^2=0,375km^224m^2=3750240000cm^2\)
\(\frac{2}{4}m^2321dm^2=0,5m^2321dm^2=37100cm^2\)
CHÚC BN HỌC TỐT!!!!!
![](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)
115 dm2 = 11500 cm2 5 tạ 32 yến= 820 kg
34 dm2 12cm2= 3412 cm2 8 m2 200 cm2= 802 dm2
5 m2 28m2= 330000 cm2 6 km2 62m2= 60000620000cm2
a . 4040 cm2 = 40 dm2 40 cm2
b . 2 000 324 m2 = 2 km2 324 m2
c . 7 km2 27 m2 = 7 000 027 m2
d . 300 000 000 cm2 = 30 000 m2