7 km² = 7000000 m²

2 ha = 20000 m²

8,5 ha = 85000 m²

30 dm² = 0,3 m²

300 dm² = 3 m²

515 dm² = 5,15 m²

7000000

20000

85000

0,3

3

5,15

nha bn

*** mk nha

\(7km^2=7000000m^2\)

\(2ha=20000m^2\)

\(8,5ha=85000m^2\)

\(30dm^2=0,3m^2\)

\(300dm^2=3m^2\)

\(515dm^2=5,15m^2\)

7km2=7000000m2

4ha=40000m2

8,5ha=85000m2

30dm2=0,3m2

300dm2=3m2

515dm2=5,15m2

7km^2=7000000m^2                4ha=4000m^2                 8,5ha=8500m^2

30dm^2=0,3m^2                  300dem^2=3m^2                   515dm^2=5,15m^2

7 km² = 7000000 m²

30 dm² = 0,3 m²

4 ha = 40000 m²

300 dm² = 3 m² 

8,5 ha = 85000 m²

515 dm² = 5,15 m²

7000000 ; 40000  ;  85000  ;  0,3  ;  3  ;   5,15

a) 7km²= 7000000 m²

4ha= 4 hm²= 40000m²

8,5 ha= 8,5 hm²= 85000 m²

b) 30 dm²= 0,3 m²

300 dm²= 3 m²

515 dm²= 5,15 m²

8,5ha= 85000 m²

= 8 5000 m² nha bạn.

5ha=...m2

4000 cm = 40 m

30 dm = 3 m

7 yến 90 kg = 160 kg

c) 1500 m = 1,5 km                           

  7km 5 hm = 7500m

3 km 8m = 3008 m                     

         3 m 5 dm = 3500mm

1500 m = 1,5 km                         

7km 5 hm = 7500m

3 km 8m = 3008 m                     

3 m 5 dm = 3500mm

c) 1500 m = 1,5 km                           

7km 5 hm = 7500m

3 km 8m = 3008 m                     

3 m 5 dm = 3500mm

6km 210m = 6210m
28m 70cm = 2870cm
8955m = 8km 955m
7km 35m = 7035m
4798m = 4km 798m
326dm = 32m 6dm

73 dam

640 m

555 m

7081 m

6325 m

k nha

7dam 3m=.73..m

6hm 4dam=.640..m

5hm 55m=.555..m

7km 81m=.7081..m

6km 325m=..6325..m

7 dam 3 m = 73 m

6 hm 4 dam = 640 m

5 hm 55 m = 555 m

7 km 81 m = 7081 m

6 km 325 m = 6325 m

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