8dm²=\(\dfrac{8}{100}=0,08m^2\)

\(\Rightarrow5m^28dm^2=5+0,08=5,08dm^2\)

cảm ơn bạn nha! ❤️❤️❤️

a )   54 k m 2   <   540 h a  

b )   71 h a   >   80   000 m 2  

c )   5 m 2   8 d m 2   = 5 8 10   m 2

7000 dm2 =.....70.....m2

5m2 7dm2 =........5,07...m2

5m2 7cm2 =........5,0007...m2

8,5 cm2 =....0,000805......m2

0,5 m2 =......50....dm2

4/5 m2 =.......80...dm2

học tốt

7000 dm2 =....70......m2

5m2 7dm2 =....5,07.......m2

5m2 7cm2 =...5,0007........m2

8,5 cm2 =...0,00085.......m2

0,5 m2 =...50.......dm2

4/5 m2 =...80.......dm2

~ HOK TỐT ~

Xin chào trường lala~

9 m² 15 dm² = 9,15 m²

21 m² 8 dm² = 21,08 m²

73 dm² = 0,73 m²

7 m² 25 m² = 32 m²

105 m² 7 dm² = 105,07 m²

45 cm² = 0,0045 m²

12m2 8dm2=12,08 m2

9km2 17hm2=9,17 km2

10m2 10dm2=10,1m2

4352m2=0,4352 km2

45,08 m2

45m² 8dm² = 45,08 m²

3 m 2   62 d m 2   =   3 , 62 m 2               4 m 2   3 d m 2   =   4 , 03 m 2     37 d m 2   =   0 , 37 m 2               8 d m 2   =   0 , 08 m 2

`4m^359dm^3=4,059m^3`

`3m^35dm^3=3,005m^3`

`2m^3=2000dm^3`

`48dm^24cm^2=48,04dm^2`

`5m^28dm^2=5,08m^2`

Vì `1m^3=1000dm^3`

`1m^2=100dm^2,1dm^2=100cm^2`

`4m^3 59dm^3=4,059m^3`

`3m^3 5dm^3=3,005m^3`

`2m^3=2000dm^3`

`48dm^2 4cm^2=48,04dm^2`

`5m^2 8dm^2=5,08m^2`

Vì `1m^3=1000dm^3`

`1m^2=100dm^2,1dm^2=100cm^2`