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

2224 dm2

30410 cm2

28 m2 34 dm2

000109 km2  4 m2

190060 cm2

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

2800dm2=..280000..cm2

8000000m2=...8.km2

21dm2 46cm2 = .......2146.....cm2 

3m2 4dm2 =..30400..cm2

2800dm2=..280000..cm2

8000000m2=.8.km2

21dm2 46cm2 = ...2146.....cm2 

3m2 4dm2 =..30400.cm2

280000cm2

8km2

2146cm2

30040cm2

a) 6m² 76 dm² = 600 dm² + 76 dm² = 676 dm²

b) 3dm² 15 cm² = 300 cm² + 15 cm² = 315 cm²

c) 3m² 2 dm² = 300 dm² + 2 dm² = 302 dm²

d) 8m² 4 cm² = 80 000 cm² + 4 cm² = 80 004 cm²

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

30000cm2

30000

30000

\(\frac{2}{8}km^23m^2=0,25km^23m^2=2500030000cm^2\)

\(\frac{2}{5}m^232dm^2=0,4m^232dm^2=7200cm^2\)

\(\frac{3}{8}km^224m^2=0,375km^224m^2=3750240000cm^2\)

\(\frac{2}{4}m^2321dm^2=0,5m^2321dm^2=37100cm^2\)

CHÚC BN HỌC TỐT!!!!!

`3m^28400cm^2=3xx10000+8400=38400cm^2`

\(3m^28400cm^2=308400cm^2\)

= 38400 cm²

HT

Bn ơi bn ko nên hỏi nhìu như vậy đâu.

3m²5cm² = 305dm²

1m² 4cm² = 10004cm²

6300dm² = 63m²

1m² 4dm² = 10400cm²

E chụp câu hỏi đi cj giải cho e vt v khó hiểu lắm

Vâng chị

a) \(12m^25cm^2=120005cm^2\)