18hm² 5dam² = 1805 dam²

5dam² 3m² = 503 m²

17 hm² 3545 m² = 173545m²

1-1-3-+7-9:8-2=6

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

`3m^2  21dm^2 = 3xx100 + 21=321dm^2`

`1km^2 5500000m^2 = 1xx1000000 + 500000 = 1500000  m^2`

` 2km^2 345m^2 = 2xx1000000 + 345 = 2000345 m^2`

7218m² = 7dam² 218m²

16823m² = 16hm² 823m²

405dam² = 4hm² 5dam²

1 . 1412dm^2

2. 705 m^2

3. 1927 dam^2

4.72 dam^2 18 m^2

5. 168 hm^2  23 m^2

6. 4 hm^2 05dam^2

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

3m2 5dm2 = 305 m2

3,05 m2

3,05

:<<<

3,09 m²

\(3m^29dm^2=3,09m^2\)

3m vuông 5 dm2 = 3,05 m vuông

`5dm^2=0,05m^2`

`3m^2 5dm^2=3+0,05=3,05m^2`

`3m^2 5dm^2=3+5:100=3,05m^2`