\(38m^25dm^2=38,05m^2\)

\(198mm^2=1,98cm^2=198mm^2\)

\(2084dm^2=20,84m^2=2084dm^2\)

~ Chúc ai tk mk hok giỏi nha ~ 

= 38,05 m2

= 1 cm2 = 98 mm2

= 20 m2 = 84 dm2

kết bạn nhé, mình hết lượt rồi

\(38m^25dm^2=38,05m^2\)                                                                                                                                                                                \(198mm^2=1,98cm^2=198mm^2\)                                                                                                                                                      \(2084dm^2=20,84m^2=2084dm^2\)

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 ~

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 

\(\frac{4}{5}\)m² =...80.......dm²

3825dm2

1509cm2

1dm2 98cm2

20m2 80dm2

31dam2 7m2

a}sai đề

b}1509 cm2

c}1dm2 = 98cm2

d}20m2 = 80dm2

e}31dam2 = 7m2

\(38m^225m^2=6300dm^2\)

\(15dm^29cm^2=1509cm^2\)

\(198cm^2=1dm^298cm^2\)

\(2080dm^2=20m^280dm^2\)

\(3107m^2=31dam^27m^2\)

1m²=1\100dam²                                  4m²=4\100dam²

38m²=38\100dam²                              1dam²=1\100hm²

7dam²=7\100hm2                         52dam²=52\100hm²

1 m2 = 0.01 dam2

38 m2 = 0.38 dam2

7 dam2 = 0.07 hm2

4 m2 = 0.04 dam2

1 dam2 = 0.01 hm2

52 dam2 = 0.52 hm2

100          0,04

0,38         0,01

0,07         0,52

\(9km^215m^2=9000015m^2\)

\(6km^29m^2=6000009m^2\)

\(8540396m^2=8km^2540396m^2\)

\(5m^214cm^2=50014cm^2\)

\(5dm^223cm^2=523cm^2\)

5 m² 8 dm² = 5 m² + 8 dm² = 5m² + \(\dfrac{8}{100}\)m² = 5,08 m²

Vậy 5 m² 8 dm² = 5,08 dm²

=5,08 m2 nha bạn

4,8 m² =.......480.......dm²

5m²   27dm²  = ..........5,27.........m²

Hok tốt !

4,8 m² = 480 dm²

5m² 27dm²=5,27 m²

Học tốt!!!

Kb nha^.^

4,8 \(m^2\)= 480 \(dm^2\)

5\(m^2\)27\(dm^2\)= 5,27 \(m^2\)

c) 5m2 9dm2 = 509dm2           700dm2 = 7m2

8m2 50cm2 = 80050cm2           50000cm2 = 5m2

50005

50005

50005

giúp mình nha !

7000dm2=70m2

5m7cm=5,07m

5km7m=5,007km

hacker 2k6

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

5m 7cm = ...............m

5km 7m = ................ km 

5m2 7dm2 =.................m2

5 tấn 7 tạ = ..5,7....tấn 

5, 65m =......0,0565....hm

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

8,556 kg=..........0,08556............tạ 

8,5 dm =............0,85..........m

Hok tốt !